Tsumiki World icon

Tsumiki World

Fit every block. No gaps.

A cozy 3D fitting puzzle / 100 stages

Coming soonApp Store

※ Available soon — please stay tuned.

Fill the box. No gaps.

A gentle 3D fitting puzzle where you pack cube-based blocks neatly into a box.
Pick, rotate, and place. Fill every gap and the stage is cleared.

🧩

Intuitive 3D controls

Pick a block from the tray, set its orientation, and tap to place. Drag to rotate the box and inspect it from any angle.

⏱️

Faster means higher

Every stage has a time limit, and your remaining time becomes your score. Even solved stages are worth replaying to beat your best.

📈

100 stages

From a gentle 2×2×2 warm-up to brain-bending puzzles, difficulty ramps up across 100 stages. Clear one to unlock the next.

🏆

Leaderboards & achievements

Compete on the Game Center total-score leaderboard, and collect 16 achievements across clears, speed, and collection.

😊

Character collection

Characters you meet are added to your gallery. Rarity runs N → SR — the rarer the block, the more it sparkles.

🧠

A brain teaser for any moment

Great if you love Soma cube and block puzzles, and the satisfaction of a perfectly packed box. Anytime, anywhere.

Take a look

Scroll sideways

Title screenA gentle world
GameplayFill every gap
Stage select100 stages
Stage clearedFaster = higher score
Character collectionCollect characters

Roomier on iPad

Universal app for iPhone and iPad. Enjoy the puzzle on a bigger screen.

iPad gameplayComfortable on a big screen
iPad stage selectSee stages at a glance
iPad character collectionA spacious gallery

Five rarity tiers to collect

Bigger blocks meet rarer characters. Meeting an SR is a lucky day!

N N+ R R+ SR

16 achievements

Earn titles that match how you play

Progress

First Clear → All Cleared

Clear-count milestones at 1 / 10 / 25 / 50 / 75 / 100.

Skill

Speed Star

Clear within half the target time.

Skill

High Score / Perfect

Score 8,000 and 9,500 in a single stage.

Technique

Flawless Builder

Clear 5 stages in a row with no undo.

Technique

Expert

Clear a top-difficulty stage.

Collection

Collector / Gallery Complete

Collect 25, 75, and all characters.

Fit every piece.

Step into the world of Tsumiki World.

Coming soonApp Store