Some of the best games I've ever played :
Star Wars KotOR
Homeworld, Homeworld 2
Deus Ex, Deus Ex 2 Invisible War
NOLF. NOLF 2
FF VII
StarCraft
MGS, MGS 2 Substance
HALO, HALO 2 (Looks nice)
I would say, the best 2 on this list would be DX and HW. Those 2 games should be given legendary status. However, I dont deny KotOR cannot compare, I just dont think it was as good as those two IMO.