Stack jump: very crazy stack game,jump a ball and keep it move to down, avoid black shape. Stack jump ball is a great time killer , super fun and addictive one touch ball game. Blast,smash,bounce and helix ball through revolving colorful shape platforms to reach the bottom of Stack. • The ball jump stack and fall through colorful stacks. • Press and hold on the screen to smash ball and let it go down without touching black platforms. • Avoid the black platforms, if else you should start your fall all over again.