Stillstack: Stack Tower Blocks

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Content rating
Everyone
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Content rating
Everyone
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About this game

Stack blocks, build the tallest tower you can, and breathe. Stillstack is a calm one-tap stacking game: no timers, no energy bars and no ads in the middle of a run.

Each block slides in over your tower. Tap to drop it. Whatever hangs over the edge gets cut off, so the next block is smaller. Line it up exactly for a perfect drop, and hit three perfect drops in a row to make the block grow back. One tap is all it takes to learn; building a really tall tower takes practice.

WHY PLAYERS STACK IN STILLSTACK
• One-tap controls that are easy to learn and hard to master
• Smooth 3D isometric blocks with satisfying cuts, falling pieces and perfect-drop effects
• Climb through the sky: pass the clouds at 25 blocks, thin air at 50 and orbit at 100
• See your best score as a line in the sky and try to beat it
• Plays fully offline, so it works on a flight, on the metro or anywhere with no signal

MODES
• Classic: one block at a time, aiming for a new best
• Daily tower: a new challenge every day with its own rules, the same for every player
• Zen mode: no game over and no score pressure, just stack and relax

THEMES AND REWARDS
• Earn coins for every block you place
• Unlock 5 themes, each with its own colours and sky: Neon Night, Pastel Dream, Lava Core, Glacier and Paper
• Share a postcard of your finished tower with friends

FAIR, PLAYER-FIRST ADS
• Ads never interrupt you while you are stacking
• Missed by a hair? Watch a short optional ad to continue your run, once per run
• Want no ads at all? A one-time "Remove Ads" purchase turns off banner and between-round ads for good

RESPECTS YOUR PRIVACY
No account and no sign-up. Your scores, coins and themes stay on your device. Stillstack asks for no access to your contacts, camera, microphone, location or files.

GOOD FOR SHORT BREAKS
A round takes under a minute, which makes Stillstack an easy game to pick up while you wait, between tasks, or to unwind before bed. Zen mode is there whenever you just want to stack slowly.

Download Stillstack and see how high your tower can go.

Questions or ideas? Contact us at zavistudioinfo@gmail.com
Stack blocks into a sky-high 3D tower. One tap, calm, offline, no timers.
Updated on
Nov 6, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

Welcome to Stillstack!
• Stack 3D blocks into a sky-high tower with one tap
• Line up perfect drops; three in a row grows your block back
• Daily tower: a new challenge every day
• Zen mode: no game over, no pressure
• Unlock 5 themes with coins you earn
• Share a postcard of your tower
• Plays fully offline