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Screenshots

  • Happy Stack Equilibrium screenshot 1
  • Happy Stack Equilibrium screenshot 2
  • Happy Stack Equilibrium screenshot 3
  • Happy Stack Equilibrium screenshot 4

About Happy Stack Equilibrium

Stack happy shapes and build the perfect figure in this relaxing 3D balance puzzle! Drag each smiling block onto the tower, find the right spot and keep everything steady until the timer runs out. Cubes, balls, triangles and long bars: every level is a new little challenge for your balance skills. HOW TO PLAY • Drag a shape and release it on the tower • Place every piece of the level • Keep the tower standing until the countdown ends • If a shape falls, try again! FEATURES • Simple one-finger controls: easy to learn, hard to master • 50 colorful levels with their own figures • Cute shapes with happy (and scared!) faces • Collect diamonds and use them to skip tricky shapes • Watch a video to earn extra diamonds • Relaxing music and satisfying sounds • Play offline, anytime, anywhere • Free to play Can you keep them all happy? Download Happy Stack Equilibrium and start stacking!

What’s new

Version 1.1 · Updated September 29, 2026

Big update! • A brand-new look for every shape • New settings screen with music and more games • Pause button to take a break anytime • Clearer diamonds and video rewards • Performance improvements and bug fixes

Play today's Inkspill puzzle

Spread your ink until the whole board is one color, within the move limit. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

More Inkspill and other daily puzzles on Fiplay →

App privacy

The developer, Francesc Navarro Machio, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Happy Stack Equilibrium

Looking for apps like Happy Stack Equilibrium? Here are 6 similar apps on the App Store. The highest rated is Don't Step On Red Glass (5.0/5), and all 6 are free to download.

Happy Stack Equilibrium vs. alternatives
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Happy Stack Equilibrium – Free September 29, 2026
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Matchy Colors AR – Free Mar 18, 2026 Compare
Pile Up: Stacking Game – Free Aug 4, 2026 Compare
Don't Step On Red Glass 5.0 / 5 (1) Free Feb 21, 2024 Compare
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