A great little puzzle game that requires quick reactions and some lateral thinking. The main objective is to traverse your cube through some ingenious and convoluted levels made up of blocks, buttons and platforms whilst avoiding all manners of death. Picking up small prisms speeds up your cube and gives you a higher rating for completing a level. There is also the ability to perform 'edge time' by balancing your cube on one of it's edges which allows you to hang off the side of walls. It's a mixture of balance and timing but it rewards you with time reduction at the end of the level.
Each new level, of which there are over eighty, represents a new challenge and new gameplay mechanics, learning these new mechanics is fairly simple as there are clues along the way. The genius lies in its simplicity. Get your cube from point A to point B in the fastest time you can manage.
It can be frustrating at times and there are a couple of fiendishly tricky sequences that can verge on annoying but it's also incredibly addictive and rewarding.
It's not a traditional puzzle game nor is it platform game, it's something in between and it's great fun.