Hoop Stack is a classic sorting puzzle game.
Simply choose any hoop to select it. Then choose other heap to move the ring to fill it.
Arrange hoops and sort the 4 colored rings to match colors.
Pop and push each hoop from one stack to another to finish stage.
Stack is completed when player merge four equal 3d hoops.
It's fun puzzle for everyone.
Try to quickly sort rings by color and combine them to one set!

Features:
- Amazing merge puzzle with 250 interesting levels.
- Best animation and colorful game design.
- Easy to touch stack and connect rings by color together!
- No time limit. But Some levels are really hard.
- Do not use a solver. Train your brain or use extra stack stick and then solve puzzle.
- Works offline and online (with wifi).
- Download the latest version!

Play heap sort puzzle with your family and invite friends.
Combine and separate color hoops. Arrange in places all 3d circles and win the game.
Install now and enjoy!