It's like living in Tron

Darwinia is the new game from the makers of Uplink.  It's an RTS set inside a computer that completely throws away any idea of 'realism' and instead goes straight for stylised gameplay.  It took me a while to get the hang of, and the introduction here was necessary (it's only a beta at the moment), but it's remarkably addictive fun.



More screenshots here.