How do you make a non generic FPS?

[Slimebeast]

Solution to making a non generic FPS:

Make it more like Bioshock, and less like KZ2.

 

EDIT: add Halo 3, Crysis, Gears and CoD4 on the less side. Gosh... the're really sucky games.

and add S.T.A.L.K.E.R. and FarCry2 on the more side.