Bumble up - control a character jumping on the stairs and getting every time higher by endless stairs. Dodge various dangers. Train your reflexes, observation skills and intuition in this exciting Android game. Tap the screen to make the hero jump onto the next stair. Move the hero to the left and right so as he can avoid objects rolling down the stairs. Be careful as some of the stairs have such deadly traps as laser rays or circular saws. Select the right moment to start moving.

Operating System: Android Ice Cream Sandwich (4.0) or later