Tossing absolutely random stuff your way:
FPS:
>Legendary
>Timeshift
>Tron 2.0
>Star Wars Republic Commando
>Judge Dredd VS Death
TPS:
>Drake of the 99 Dragons
>Advent Rising
>Inversion
>Damnation (not on steam anymore)
Survival Horror:
>Cold Fear
>Obscure
Open World:
>Gun
>Red Faction Guerrilla
>Prototype