Collect coins, move to exit. There is two types of levels in game: single-pass levels and double-pass levels.
1. Single pass: collect coins, move to exit. Avoid spikes, handle disappearing tiles.
2. Double pass:
IQ Ball is an original physics-puzzle where you need to utilize your spiked ball as few times as possible but still find your way to the red Bull's Eye. How many clicks do you need to pass all 25 levels?