Resistance: Fall of Man

I get scared shitless when i play this game stoned.

It has a decent website.
Resistance: Fall of Man

Story:

The first-person shooter has long been a pre-eminent game genre, thanks to such classics as Doom and Medal of Honor. But where such games either offered combat in a science fiction or World War II context, Resistance: Fall of Man blends the two with a story set in an alternate version of the 20th century. In this reality World War II never happened and there was no Nazi enemy. Instead humanity is threatened by brutal invaders, the Chimera. Itâ??s 1951, and Britain is the last outpost of humanity in Europe, a place now seemingly deserted. The situation is looking desperate, but the US finally abandons its isolationism and begins a counter-attack