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Guide

Guide

New here? These are the basics that apply to every game, plus answers to common questions.

The basics

  1. Starts instantlyPick a game and it starts right away. The first puzzle is designed so you can solve it just by moving your finger, without reading anything.
  2. One fingerPlay on a phone held upright with a single finger. A mouse works the same way on a computer.
  3. Keyboard tooEvery game can be finished with the arrow keys and Enter. R restarts the current puzzle.
  4. Stuck? Press "?"The "?" button at the top right of each game shows how to play, the keyboard controls, and other games.
  5. Sound at top rightThe speaker button turns sound on and off. Your choice is remembered.
  6. Reduced motionIf your device is set to reduce motion, the games tone down their animations.

How each game works

Kasumi Puzzle

Turn it until it becomes a picture ・ 2–10 min ・ 12 puzzles

  1. Swipe left or right to rotate the lines
  2. At exactly one angle, the lines connect into a picture
  3. The color changes as you get close, and it snaps into place when you are right. Solved pictures line up at the bottom
  4. Solve all 12 to finish. The next round starts from different angles

Keyboard: ←→ rotate / hold Shift to rotate faster / R restart

Wakeru Puzzle

Cut it exactly right ・ 1–5 min ・ 5 shapes per set

  1. The target ratio (1:1, 1:2 and so on) is shown at the top
  2. Swipe across the shape to cut it along that line
  3. Right after the cut, the pieces part and show their shares and your error, like "1.8% off". No numbers while you aim — it is by eye
  4. A set is 5 shapes. The lower your average error, the better

Keyboard: ←→ line angle / ↑↓ line position / Enter cut / R retry

Hikari Puzzle

Connect the light ・ 3–10 min ・ 8 stages

  1. Light leaves the source and bounces off the mirrors
  2. Grab the ○ at a mirror end and turn it; it clicks into place every 15° (or use ← →)
  3. Reach the crystal to clear the stage. Within par earns 3 stars
  4. Walls stop the light, and one mirror in later stages is a decoy

Keyboard: ↑↓/Space select mirror / ←→ turn 15° / hold Shift for 45° / Z undo / H hint / R restart

Sukima Reflex

Slip it through the gap ・ 1–5 min ・ 3 misses per run, personal best

  1. The bar slides left and right. Tap anywhere to stop it where it is
  2. If the bar fits inside the gap, it goes through. Each success narrows the gap
  3. A miss stays on the wall, so you can see how far off you were
  4. Three misses ends the run. Your count is saved as a personal best

Keyboard: Space, Enter or ↑ to stop / R to start over

Ichiwa Puzzle

One unbroken stroke ・ 3–8 min ・ 10 puzzles + a daily figure

  1. Put your finger on the glowing dot and drag to a neighbouring dot. Traced lines light up (tap anywhere on the board to start from the nearest dot)
  2. Cover every line exactly once to finish. You cannot take the same line twice
  3. A ringed dot means you have to start there to trace them all. With no rings, any dot works
  4. At a dead end the remaining lines flash red. ↶ Undo steps back one line; Hint traces the next correct line in gold (hints are counted)
  5. After the ten puzzles, try the daily figure: new every day, same for everyone, timed (+10s per hint)

Keyboard: ↑↓←→ pick a dot / trace a line, Enter start here, Space hint (next line), Z Backspace undo one line (undo, then press the same arrow for the next line in that direction), R restart

Tobu Reflex

Hold longer, jump higher ・ 1–5 min ・ Personal best distance

  1. Your character runs right by itself. Tap anywhere to jump. The first three gaps are practice — it waits at the edge
  2. How long you hold decides how high you jump — hold longer to go higher
  3. Every ledge is placed within reach, so every gap has a way across
  4. Under a hanging rock, tap short and stay low. Fall into a gap and the run ends. See why you fell and the jump that would have landed, then retry the same course. The course is the same for everyone each day

Keyboard: Space, Enter or ↑ jump (hold to jump higher) / R start over

Koro Puzzle

Tilt it, roll it ・ 3–8 min ・ 8 stages, best time

  1. Put a finger anywhere and drag: the board tilts that way and the ball rolls. Let go and the board levels out. A quick tap nudges the ball toward where you tapped
  2. Roll the ball into the hole with the column of light to clear the stage. Each stage has a par time; beat it for a ★
  3. Fall into a red-rimmed hole and the stage restarts. They tend to sit just past a corner, so slow down before you turn
  4. The floor you have rolled over stays tinted, so you don't walk into the same dead end twice. From stage 7 the floor is slippery

Keyboard: ←→↑↓ (or WASD) tilt while held (a short press nudges) / R restart this stage

Mekiki Perception

Measure by eye ・ 1–3 min ・ Today's 10 (same for everyone) · best total · challenge links

  1. Read the prompt at the top (e.g. “Make a 90° angle with the white line”). White is the reference; the glowing part is yours to move
  2. Drag on the screen to move the glowing line, point or circle. Your answer locks in the moment you let go
  3. The gold dashed line is the true answer. You get your error and a score (up to 100 per question). 10 seconds each
  4. Six kinds are mixed: angles, bisecting, parallel lines, length ratios, circle centres and equal-area circles. Your 10-question total is saved

Keyboard: ←→↑↓ adjust (Shift for bigger steps) / Enter or Space lock in & next / R replay the same 10

Gekitotsu Arena

Watch the brawl, touch to jump in ・ 1–10 min ・ Endless auto rounds · your wins and streaks are saved

  1. The robots start shoving each other the moment the page opens. A robot is out when it falls off the arena or its energy bar at the top runs dry. Last one standing wins
  2. Touch the screen to jump in (your robot gets a white ring and a YOU tag). Put a finger down and drag — it drives that way, and an arrow on the floor shows where
  3. A quick tap rams with the front plow and fires one shot. Pushing rivals over the edge is the fastest way to win
  4. When you're out, you see who rammed you and which way you fell. Rematch the same setup right away. After a while the floor shrinks from the edge, so every round ends

Keyboard: ←→↑↓ (or WASD) jump in and move, Space ram (rematch after you're out), Esc back to watching

Oto Audio

Match the pitch ・ 1–3 min ・ 8 questions per set · best total score

  1. Press the screen to hear your own note. Keep holding and slide up or down to raise or lower it (up is higher)
  2. Let go when you think it matches the reference. It is judged the moment you let go; the gold line shows the true pitch
  3. When both notes play together, the “wah-wah” wobble slows down as you get close and disappears when they match. Tap the circle on the left to hear the reference again
  4. Turn the sound off (🔇) and the reference appears as a white wave. Match how tightly your wave is packed and you have the same pitch. Your 8-question total is saved; “Same 8 again” on the results replays the set, and a shared challenge link gives your friend the same 8 notes

Keyboard: ↑↓ change pitch (Shift for bigger steps) / Space or P replay the reference / Enter lock in & next / R restart the set / on results: Space same 8, Enter next 8

Kasane Perception

Layer the colours ・ 2–5 min ・ 6 stages · fewest-swaps record · challenge a friend on the same 6

  1. The small picture at the top is the sample; below it is your board. Where plates overlap, their colours multiply
  2. Tap one plate, then another, and the two swap places. Dragging one onto another swaps them too
  3. Areas that match the sample get a solid outline and a ✓. Match them all to move on
  4. From stage 3 the sample shows overlaps only (hatched areas can be any colour). Stage 4 has one spare plate on the shelf below the board. Your total swaps over 6 stages are saved

Keyboard: ←→↑↓ choose a plate / Enter or Space pick up & swap / 1–4 pick up & swap by number / Esc put down / R reset this stage

Tsumi Puzzle

Where does the heavy box go? ・ 2–5 min ・ 7 stages · fewest-falls record

  1. The box floating at the top is the one you are placing. Slide your finger left or right to move it; let go and it drops straight down there
  2. The ▼ under the plank shows where the balance point would go. Inside the stand's top edge, the plank stays level; outside, it tips the way the arrow points
  3. You cannot stack above the ceiling line, and a box needs support under its middle (otherwise it would slide off)
  4. The Next row shows the boxes still to come. A fall restarts the stage. Your total falls over 7 stages are saved

Keyboard: ←→ move the box (Shift for 4 steps) / Enter, Space or ↓ drop / R restart the stage

Mitsuke Perception

Spot the odd one ・ 1 min ・ 60 seconds · daily set (same for everyone) · best number found

  1. Tap the one pattern that is different from the rest. The first grid is 3×3 with a big difference
  2. The difference is one of: turned, size, position (off-centre) or the number of lines or dots. Every pattern is the same colour
  3. Each find makes the grid finer and the difference smaller. A wrong tap takes 3 seconds off the clock
  4. If you haven't found it after 7 seconds, a hint at the bottom tells you what kind of difference to look for (not where). The 60-second clock starts when you tap the glowing example tile
  5. The set changes daily and is the same for everyone. A challenge link from your result opens the same day's set. "Practice" on the example screen is a 60-second run on a fixed set (not recorded)

Keyboard: ←→↑↓ choose a square / Enter or Space pick it / R start over

Hajiki Reflex

Push them off ・ 2–5 min ・ 8 bouts, best time

  1. Put a finger anywhere and drag: your ball moves that way. Let go and it stops
  2. A quick tap rams forward a short way. It needs a moment to recharge — the ring at your feet fills up when it's ready
  3. Push the opponent off the platform to win the bout. Fall off yourself and the bout restarts
  4. The rim glows in the colour of whoever is close to the edge. Heavy opponents beat you in a pushing match, so ram them; against one that circles round, keep hold of the middle

Keyboard: ←→↑↓ (or WASD) move while held / Space or Enter ram

Tanken Explore

Lighthouse relay on the wind ・ 5–10 min ・ 5 lighthouses, time attack

  1. Click or tap the next lighthouse tag (it shows the distance), or any spot on the ground, to walk there. The stick at the bottom left (WASD or arrow keys) also walks. You stop and wait at the shore
  2. Press jump again mid-air (or keep holding it) to glide for up to about 1.8 seconds once you start falling. Dash is a short, quick burst and recharges when you land
  3. Walk up to a lighthouse to light it — you're told how to reach the next island. Fall into the sea or lava and you see why, then you're put back where you last stood
  4. Hold glide inside a rising column of sparkles (an updraft) to climb. Drag on the right side of the screen to turn the camera (Q and E on a keyboard)

Keyboard: WASD (or arrow keys) walk / Space jump (press twice or hold to glide) / click to walk there / F walk to the next lighthouse / Shift or X dash / QE turn the camera / Enter after clearing starts a time attack

Korogashi Roll

Roll it, grow it ・ 2 min ・ 90-second runs, best size from 6 cm

  1. Put a finger anywhere and drag: the ball rolls that way (at the start, drag forward to pick up the row of little things ahead). A quick tap nudges it toward where you tapped
  2. Touch anything smaller than the ball and it sticks, making the ball bigger. Pickable things have a faint glow on their edges that pulses. The next big thing to aim for gets a dashed ring on the floor and shows how many cm you still need
  3. Things that are still too big bounce you off. Floors, walls, pillars and trees are fixed to the ground and can never be picked up
  4. Once you're big enough, the floor at the room's exit and the yard's gate lights up. Your size after 90 seconds is your score

Keyboard: ←→↑↓ (or WASD) tap to nudge, hold to keep rolling / after time's up, R for the same layout or Enter for a new one

Taikan Perception

10 second challenge — stop at exactly 10.00 ・ 1 min ・ One try at a time · 5 / 10 / 30 second targets and a daily target · best gap per target

  1. Pick a target at the top: 5, 10 or 30 seconds, or Today (10 by default; today's target changes daily and is the same for everyone)
  2. Tap the screen or press Space to start. The number hides after about 3 seconds
  3. When you think exactly that many seconds have passed, tap again to stop
  4. You get your time and the gap to the target (+ is late, − is early). Your smallest gap per target is saved as your best. No rankings or averages

Keyboard: Space or Enter start / stop / again / ←→ change the target (5, 10, 30 s, today)

Hakobu Reflex

Carry the water without spilling ・ 2 min ・ 30 seconds per path · 3 paths · best water left (%)

  1. Put a finger on the screen and slide it left or right to tilt the tray that way (slide right and the right side goes down). Let go and it levels out
  2. Touch to start walking. Steps, rolling ground and corners rock the tray — tilt the other way to cancel it
  3. One second before each step, a ▼ appears at your feet and beside the tray on the side that drops. Lean a little the other way before the jolt and nothing spills
  4. When the dot on the level at the bottom goes into the red, water spills. Tilt toward the dot to level out. The water left at the finish (%) is your score

Keyboard: ←→ (or AD) tilt while held, level out when released / Space or Enter start walking, next path / 123 choose a path / on the result screen, R same path again

Isogi Explore

Rush deliveries around a little town ・ 3 min ・ A few minutes per run, best score

  1. Touch the screen and the van starts rolling and follows the road. Flick left or right (or tap ← →) to turn at the next corner. Keep a finger down and slide to steer by hand, up to speed up, down to brake
  2. Drive into the pillar of light to deliver. The big number at the top is the time left for this delivery; each time you deliver, a new drop-off appears somewhere in town
  3. Tap the screen (touch and let go) or put a second finger down for the handbrake. Pull it while turning to drift and earn extra time
  4. When the light is off screen, an arrow on the edge points its way (you choose the route). You can cut across the square and the park
  5. Crates, cones and barrels fly off when you hit them. The run ends when the timer reaches zero; your score is saved

Keyboard: ←→ tap to turn at the next corner, hold to steer / ↑ boost ↓ brake / Space handbrake (drift) / after time's up, Space rematch in the same town, N new town

Mizuyure Puzzle

Make the ripples arrive together ・ 3–8 min ・ 10 stages · total gap is your record

  1. Tap the water to drop a pebble there and start a ripple (keep your finger down and slide to fine-tune; it drops where you let go)
  2. If the ripple reaches every flower within the window shown at the top, the stage is cleared
  3. Miss, and each flower shows how early or late it was. Move toward the late flowers to close the gap. Your last drop stays as a faint dot
  4. Clear 10 stages to finish. The smaller your total gap, misses included, the better. From the results you can replay the same 10 stages or get new ones

Keyboard: ←↑↓→ move the aim / hold Shift to move faster / Space or Enter drop the stone, next

Sakasamichi Reflex

Today's path, with left and right reversed ・ 1–5 min ・ Distance this run (best today and personal best are saved)

  1. Touch the screen, or press Space or ← →, and the light starts climbing
  2. Left and right are reversed: slide right (or press →) and the light goes left
  3. The edge glows red when the light gets close. Cross it and the run ends, showing which side and why
  4. The path changes every day and is the same for everyone. Share your result and friends can try to beat your distance on the same path

Keyboard: ← / → hold to move the light the opposite way / Space or Enter start or retry the same path / R start over

Wasure Explore

Left behind at the café ・ 3–8 min ・ 3 stages · 5 lost items each

  1. Drag sideways to turn your view around the café
  2. Tap items matching the silhouettes below, in any order
  3. Find the umbrella, paperback, glasses, key and glove to continue. Later stages have narrower viewing angles
  4. Stuck? Hint (H) turns the room and highlights one item (+5 s). Each miss adds 3 seconds
  5. The layout changes daily and is the same for everyone. Your best time for the day is saved in this browser, and you can share a challenge link

Keyboard: ←→ rotate / WASD move crosshair / Enter or Space pick up / ↑↓ viewing height / H hint

Uchiage Perception

Burst the firework right on its outline ・ 2–3 min ・ Today's 10 shells (same for everyone) · best total gap

  1. The dotted outline is the shape the firework will make. Find its centre
  2. Drag sideways to move the launch tube
  3. Tap to launch the shell and tap again while it rises to burst it. If you wait too long, it bursts at the top
  4. You get the gap between the two centres (%) and its direction. Later shots have a crosswind, so move the tube upwind
  5. Your lowest 10-shot total is saved on your device. No averages or rankings

Keyboard: ←→ move the tube (Shift for steps of 5) / Space or Enter launch, burst, next

Sodate Perception

Feed it, play with it, watch it change ・ 1–2 min ・ 12 picks per round · fully grown at stage 3 (about 1–2 minutes)

  1. Look at today's model in the corner — its shape, colour, crest and movement — and aim for the same creature (a new model every day, the same for everyone)
  2. Pick one of the five buttons at the bottom or press 1–5: a food (sweet, spicy, bitter) or a game (jump, roll)
  3. Sweet makes it rounder, spicy makes it spiky and bitter flattens it. Each button’s shape shows which way the body will change
  4. Jump makes it bounce higher; roll makes it roll faster
  5. While it eats or plays (about 1.5 seconds) you can’t pick again. When the bar under the button runs out, pick the next one
  6. It reaches stage 2 after 6 picks and is fully grown at stage 3 after 12. You then see how closely it matches the model, and both sets of picks

Keyboard: 1–5 sweet, spicy, bitter, jump, roll / ←→ move between buttons / Space or Enter pick, raise another

Kazeyomi Perception

Read the wind, fly a paper plane ・ 2 min ・ 5 throws per set · best distance (m)

  1. Drag up or down on the upper part of the screen to change the launch angle. Lifting your finger does not throw. The angle shows on the fan at the left
  2. Hold the Throw button at the bottom to fill the gauge; the plane is thrown at that power when you let go. Past full, the gauge starts to drop again
  3. Too steep and the plane stalls at the top of its climb and drops; too flat and it lands right away. Throwing too hard into a headwind also makes it stall
  4. The wind stays the same for 5 throws. Use the flags and trails of earlier throws, plus the marks left on the fan and the button, to adjust. Your longest throw of the 5 counts. On the result screen, choose "Same wind again" or "Next wind"

Keyboard: ↑↓ (or WS) change the angle by 1°, or 5° with Shift / Space or Enter hold to charge, release to throw / on the result screen, Enter next wind, R same wind again

Heya Puzzle

A dungeon, one room at a time ・ 1–3 min ・ 3 rooms

  1. Tap a glowing square next to you to step there. Tap an enemy’s square to attack it
  2. When you move, every enemy moves once too. Striped squares are where enemies will strike next; end your move on one and you lose 1 HP
  3. Spikes close in every turn and lunge into the striped square when you dodge. Boulders move only every other turn and won’t strike while their eyes are shut
  4. Defeat every enemy in a room to open the stairs. Step onto them to go to the next room
  5. After room 2, choose attack +1 or HP +2 (once only). Clear all three rooms to win. At 0 HP you start over from room 1

Keyboard: ↑→↓← step to the next square / attack / 12 choose an upgrade / R start over from room 1 / Enter rematch, same three rooms

Oshiai Reflex

Tap when it lights: a two-player push on one phone ・ 1–3 min ・ First to 3 rounds (10 seconds each)

  1. Lay the phone flat and sit facing each other. The half nearest you is yours (bottom = ○, top = △)
  2. When both players tap their own side, a 3-2-1 countdown starts the round
  3. When your side lights up, tap it. The line moves into the other half — the faster you tap, the further it goes
  4. Tap when your side isn’t lit (including when theirs is) and you get pushed back a little. Each light scores only once
  5. If the line is in their half after 10 seconds, the round is yours; push it all the way to their edge to win at once. First to three rounds wins
  6. Alone? Tap “Practice vs CPU” and the computer plays the top side. Each win raises its level

Keyboard: A top player (△) taps / L bottom player (○) taps / Space start practice vs the CPU and tap (holding a key or key repeat counts only once)

Tobatsu Arena

Read the Bone Giant’s slam, then strike ・ 1–2 min ・ 60–90 s per fight · grades, titles, global ranking

  1. On a phone, move with the stick at the bottom left. On a computer, use WASD or the arrow keys
  2. When the giant raises its axe, a red circle fills where it will land. Leave the circle, or roll with Dodge (Shift) right as it slams. You cannot be hit for 0.3 seconds after a roll starts
  3. While the slammed axe is stuck in the ground, the giant is open. Get close and slash with Attack (Space). You can chain up to three slashes
  4. Strikes outside an opening are blocked by the axe handle and barely hurt. Below two thirds and one third of its health the giant staggers, then slams faster and twice in a row
  5. You have five hearts. When you lose, the game shows what hit you, and you can fight again right away

Keyboard: WASD or arrow keys move / Space (or J) attack / Shift (or K) dodge / Space or Enter fight again from the result screen

Hayaoshi Reflex

Quick-Press Duel | 2 Players, 1 Phone, Beat the Signal ・ 1 min ・ 5 rounds

  1. Hold the phone upright and lean in together. The left player’s button is ○ at bottom left; the right player’s is △ at bottom right
  2. Both press your own button to get ready. The round starts once both of you lift your fingers
  3. When the gray square in the middle becomes a yellow star, press your button right away. The first to press wins the round
  4. Press before the signal and you’re out for that round (your opponent wins it). Presses less than 30 ms apart are a draw
  5. Most wins after five rounds takes the match. The final screen recaps every round; both press “Play again” for a rematch. A round where nobody presses after the signal doesn’t count

Keyboard: A left player (○) presses / L right player (△) presses (holding a key or key repeat counts only once; a round won’t start while a key is held down)

Daily 10 Viewings Puzzle

Beat today's 37% rule ・ 1 min ・ One real round a day (same 10 homes for everyone) · unlimited practice · today's result saved on your device

  1. Home cards arrive one at a time. You only see the floor plan and its rank among the homes so far; the score is hidden
  2. Press Sign to take this home or Next to pass it. You can't go back to a home you passed. The tenth home is signed automatically
  3. The result puts your pick, the 37% rule's pick and the best home side by side, with small bars for all ten scores. A passed best home is marked
  4. The ten homes are set by the date in Japan time and are the same for everyone that day. Your first result is saved; later rounds are practice and aren't saved

Keyboard: Space or → next / Enter or K sign / R practice from the result

Undo in 5 Seconds Reflex

Stop the misaddressed email ・ 2 min ・ 90 s a round · today's 36 (same order for everyone) and practice · today's best saved on your device

  1. Sent emails appear one at a time. Compare the company in each of the three rows: To domain, greeting and attachment name
  2. If one row names a different company, tap that row (or press 1, 2 or 3) to undo the send. One tap per email
  3. If all three rows match, do nothing and let it send. Undoing a correct email counts as a wrong undo (“Resend needed”)
  4. The bar at the bottom is the undo window: 8 seconds for the first three emails, then 5 seconds. Miss it and the email is sent
  5. The round ends after 90 seconds or once three wrong emails have gone out. The result card shows the email that slipped through

Keyboard: 1 2 3 undo by that row / Enter today's 36 / P practice / R play again

Door Duty Reflex

Wait only for the riders ・ 2 min ・ Five floors a day (same for everyone, changes daily) · 15–25 seconds per floor · play as often as you like

  1. The door stays open only while you hold OPEN in the bottom-right corner. Let go and it closes over 1.2 seconds; press mid-close to reopen it
  2. Only people with a ▲ over their head will ride. Riders always show their ▲ before the ▲ line on the floor. Don't wait for anyone without one
  3. Runners start sprinting only once the door begins to close (blinking ▲). Press again right away and wait for them
  4. A ▲ rider reaching a closing door is a pinch (penalty). Holding the door while no ▲ rider is coming annoys the passengers and adds to your held seconds
  5. “Aboard 2/4” next to the OPEN button shows riders aboard and ▲ riders on this floor. After five floors you get your totals and a bar for each floor

Keyboard: Hold Space, ↑ or O to keep the door open / Enter latches it, press again to let go / R or Enter on the result to play again

Postcode Guesser Explore

Name the prefecture from a Japanese postcode ・ 1–2 min ・ 5 a day (same for everyone) · unlimited practice · today's result and your best are saved on your device

  1. The sign at the top shows the first three digits of a postcode (e.g. 〒900). Tap the prefecture it belongs to on the tile map below. There are five questions, and the lower your total distance off, the better
  2. Hold your finger to see the prefecture's name; release to answer. On phones a magnified window of nearby tiles appears above your finger, and sliding moves the selection inside it. Your tile sinks at once, then the correct tile lights up, a line joins the two, and the correct prefecture and distance appear in large type
  3. Same prefecture is 🟩, under 300 km is 🟨, farther is 🟥. Distance is measured in a straight line between prefectural capitals
  4. Small numbers on the map (060, 100, 530…) are landmark postcodes. Prefectures you answer keep their number too
  5. After five questions you get five colored squares, your total in km and your personal best. Today's set is played once; after that you get random practice rounds

Keyboard: ←→↑↓ choose a prefecture / Enter or Space answer, next question / R practice from the result

Mawashi-tsugi Perception

Pour every cup the same strength ・ 1 min ・ Three rounds a day (2, 3 and 4 cups) · same pot for everyone each day · daily best and last 7 days saved on your device

  1. For the first three seconds the game shows what happens if you pour one cup at a time. Even with equal amounts the cups end up different colours, and the strip at the bottom shows the strength gap
  2. Hold a cup and the pot tilts and pours into it at 25 ml per second. Let go to stop. Pour into any cup as often as you like
  3. The band at the top shows how today's pot changes strength, from the first pour on the left to the last on the right. ▲ marks where you are, and the strip below shows which cup got each part
  4. Each cup is drawn in cross-section, so the tea level is proportional to the amount. The rim is full and the short marks on the walls show an equal share. Spilled tea is added to the amount gap. When the pot is empty the round ends with a golden last drop
  5. The five squares under each cup are the strength steps, with the current one outlined. The strip at the bottom shows the strength gap between the cups you have poured so far, next to the one-by-one gap
  6. After each round you see your strength and amount gaps next to “one by one” and “equal round trip”. After three rounds you get your change from last time and a next goal

Keyboard: Hold 1–4 to pour into that cup / ←→ choose a cup / Enter or Space start or stop pouring (←→ moves the pour while it runs) / R play again

Stamp or No Stamp? 10 Surprising Receipts Reflex

Guess the revenue stamp on Japanese receipts ・ 3 min ・ 10 receipts per round (daily pick from 40) · no time limit · extra rounds any time

  1. A fictional receipt appears. Check the issuer, the amount, how tax is shown and how it was paid
  2. Press one of the five buttons below (None, ¥200, ¥400, ¥600, ¥1,000) for the revenue stamp it needs
  3. You see right or wrong with a one-line reason, and the deciding line lights up. Open the NTA source if you like, then press Next
  4. After ten, see your score and share your most surprising miss as an image. A quick table of the brackets sits at the bottom

Keyboard: 1–5 pick the stamp / Enter, Space or → next / R ten more from the result

Minimum Wage Higher or Lower: 5 from Home Perception

Start from your home prefecture and guess higher or lower, five times ・ 1 min ・ 5 questions per set · Play again for five new prefectures · nothing is saved

  1. Tap your home prefecture. The left card shows its hourly minimum wage
  2. Press Higher if you think the right card's prefecture pays more than the left, or Lower if less. The wage, the gap and the effective date appear
  3. The right card slides left and is compared with the next one. Tap anywhere to skip the wait. A wrong answer doesn't end the set
  4. The result lists the chain of five. Share sends a link with the same five questions (your prefecture and the order are in the URL). Play again gives five new prefectures

Keyboard: ↑, ← or H higher / ↓, → or L lower / Space skip the wait / arrow keys and Enter on the prefecture list / R play again

Can This Card Go Out? Reflex

Check the RSVP card before you post it ・ 1 min ・ 60 seconds per round · ends after 3 misses · your best is saved on this device

  1. A filled-in RSVP postcard (front or back) appears. Tap any word that still needs fixing
  2. If nothing is wrong, press “Post as is”. A card has 0 to 2 mistakes; fix them all and it posts itself
  3. A miss or a wrong tap shows the correct form and why (the clock stops while you read). Three misses and you are out
  4. The clock starts on your first tap. Post as many cards as you can in 60 seconds

Keyboard: Tab or ←→ choose a word / Enter or Space mark it / P post as is / R play again from the result

Holiday Golf Puzzle

Three holes a day — use as little leave as you can ・ 2–4 min ・ 3 holes a day (same for everyone) · unlimited practice rounds · today's result and your best are saved on your device

  1. Blue-grey cells are days off (weekends and holidays); white cells are weekdays. The flag shows the target break length and par (the fewest days of leave)
  2. Tap a weekday to place leave (orange). The band of connected days off and the “N-day break” counter grow
  3. Reach the target and “Reached!” appears with a Confirm button. You can adjust until you confirm, but taking leave back costs a 1-stroke penalty
  4. Strokes = leave placed + penalties. Confirm to reveal the fewest-leave days in gold
  5. After 3 holes you get your total, the difference from par, your best and a preview of tomorrow's hole 1. Start a practice round right from the result

Keyboard: ←→↑↓ choose a day / Enter or Space place or remove leave / C confirm / Enter next hole / R practice from the result

Jump With My Kid Reflex

Your plush's photo runs today's course ・ 1–5 min ・ Personal best distance on today's course

  1. Press “Jump with my kid” and pick a photo of your plush or figure (a sample teddy bear runs until you do). A full-body shot against white paper cuts out cleanly
  2. Your hero runs right by itself. Press anywhere to jump; hold longer to go higher. The first three gaps are practice — it waits at the edge
  3. Fall into a gap and the run ends. See why and the jump that would have landed, then retry the same course. The course changes daily and is the same for everyone
  4. The photo is cut out and saved only on this device. “Delete photo” removes it at any time

Keyboard: Space, Enter or ↑ jump (hold to jump higher) / R start over / Tab to “Jump with my kid” and Enter to pick a photo

Seating Planner Puzzle

A daily seat-logic puzzle ・ 2 min ・ One daily table (4–6 people) · 3 tries · unlimited bonus tables · streak saved on this device

  1. Tap a person’s card, then a seat. Tap someone seated, then another seat, to swap them
  2. Seat everyone so all the clues hold. Seats are numbered 1 to 6; “smaller number” means this number
  3. When everyone is seated, press Check. Green seats are right, grey are wrong, and each grey seat shows the clue it breaks
  4. Three tries. The very first time starts with a 3-person warm-up. From the result, “Bonus table” starts the next one (bonus tables don’t count toward your streak or stats)

Keyboard: A–F pick a card / 1–6 seat them there / Tab and Enter also work / Enter check / Esc cancel the pick / R bonus table from the result

Overpay Check Perception

Catch the padded invoice ・ 2 min ・ Five invoices a day (2–6 rows) · unlimited practice sets · daily first-run record and practice best saved on this device

  1. Tap the one number that doesn’t add up and is too high. Quantities and unit prices are as ordered; the error is in an amount, a subtotal, a tax or the total
  2. Tap a correct number and the check appears, with a 3-second penalty. Tap the padded one and it’s corrected and the total drops
  3. Tax is applied once per rate (10% and 8%; ※ marks 8%) to that rate’s subtotal, rounded down
  4. Run out of time or press “Pay as is” and you’ve missed it. Lowest total overpayment wins; time breaks ties

Keyboard: Tab or ←→↑↓ choose a number / Enter or Space tap it / P pay as is / Enter next invoice / R practice five from the result

Interview Keigo: Say It or Fix It? Reflex

20 lines a day, one trap ・ 2 min ・ 20 lines a day (10 fine, 10 to fix, 1 trap) · 2 warm-up cards · today’s score and best saved on this device

  1. Each card is a line a candidate says to an interviewer (in Japanese). Fine? Flick it right to “Say →”. Off? Flick it left to “← Fix” (or press the side bars)
  2. You see ✓ or ✗ at once, with a one-line reason and the right wording. The first two cards hold still and don’t count
  3. Then 20 cards fall, up to two at a time. The gold-framed (lower) card is the one keys and bars act on. Reaching the line counts as a miss
  4. Some double honorifics, like “o-ukagai shimasu”, are accepted and fine to say. One of these traps appears every day

Keyboard: → (D, J) say it / ← (A, F) fix it / R play again from the result

FAQ

Is it free?

Yes. Every game is free and there is no sign-up.

Do I need to install anything?

No. Open the page in your browser and play. It works on phones, tablets and computers.

Is my progress saved?

Your personal bests, titles and sound setting are saved inside your own browser (localStorage). Nothing is sent to a server (except a record you choose to post to the Tobatsu leaderboard). Some browsers, such as Safari on iPhone, may clear it if you do not visit for 7 days.

Do you collect personal data?

We do not collect anything that identifies you, such as your name or email address. There are no logins and no forms. To improve the site, we measure page views and similar traffic with Google Analytics, which uses cookies.

I cannot hear any sound

Browsers keep sound off until you first touch the screen. If it is still silent, check that the speaker button at the top right is not muted.

Can I play with just a keyboard?

Yes. Every game can be played with the arrow keys and Enter, and R restarts. Controls differ per game, so check the "?" button in each game.

Is there a Japanese version?

Yes. Use the "JA" link at the top right to switch.

Will there be new games?

Yes, we add them one at a time. New ones are marked "NEW" on the list.