Rez

Screenshots:

Background:
Rez is a stylish shooter with a rhythmic twist which takes place in a virtual world. Your character is a hacker of sorts, flying on-rails through six levels of cyberspace in search of Eden, the central AI contained somewhere within the world. The game starts out with a very barebones-looking character and world made up of simple lines. But as you evolve and as you move from layer to layer, the game gets more and more complex.