Which are the best games you've ever played, and why?

[wandie2007]

Mafia (PC)
Perfect Dark(N64)
Red Steel(Wii hehehe)
Need For Speed Most Wanted(PC)
Lord Of the Ring Battle Of Middle Of Earth I and II(PC)
Sims2(PC)
GTA:San Andreas(PC)
Final Fantasy 8(my first Final Fantasy game)
Diddy Kong Racing (N64)