Ready to stack, sort, and solve?
Sphere Stack is a polished ball sort puzzle game that starts simple and quickly becomes a satisfying test of logic, planning, and speed. Tap to move colorful spheres between tubes and sort every color into its own stack. With 600 handcrafted levels, daily puzzles, and the new Time Challenge mode, there is always a fresh puzzle waiting.
Easy to learn, hard to master. Every move matters as new colors, trickier layouts, and tighter limits push your strategy further. Play at your own pace or turn on Time Challenge and race the clock.
Why you’ll love Sphere Stack
600 handcrafted levels from beginner-friendly to seriously challenging
New Time Challenge mode for fast, high-pressure puzzle solving
Daily puzzles to keep your streak going
3-star scoring based on par moves
Increasing difficulty with smarter layouts and tighter move limits
Power-ups including Extra Tube, Shatter, and Hints
Shield system earned through achievements
14 achievements to unlock
Smooth 3D spheres and elegant glass tube visuals
Satisfying sound effects and haptic feedback
Share your results with friends
Offline play with no internet required
New in Version 1.1.0: Time Challenge Update
Take on every puzzle in a whole new way with Time Challenge mode. Toggle it from the main menu and turn each level into a race against the clock. Early levels give you room to think, but later stages demand quick decisions and smart moves under pressure.
Run out of time? Shields can give you extra seconds and keep your run alive. Unlock new achievements and prove you can solve under pressure.
How to Play
Tap a tube to pick up the top sphere
Tap another tube to place it
You can only place a sphere on an empty tube or on top of the same color
Sort all spheres by color to complete the level
Finish within par moves to earn 3 stars
Use power-ups when you need help
Whether you want a relaxing brain game or a faster puzzle challenge, Sphere Stack gives you both. Plan carefully, sort efficiently, and see if you can master every level.