Pocket Gamer: Collision Effect review

Games can always surprise you, but in the age of the smartphone there are three rules that, if broken at the start of a game, indicate that what follows is likely to be a total stinker.

For one, it's best to keep the controls simple, but diluting the challenge in pursuit of simplicity is a big no-no. Most importantly, you have to avoid overloading the game with a needlessly fussy set of rules