i have just ordered a premodded xbox and i want to know the must have games to get , im a bit out of touch with whats the best games to get so can some of you please recommend some terrific games to get .

Im 34 (old git) i like
3d platform games (nothing too childish)
driving games (rally or track racing)
first person shooters (loved half life)

anything you can recommend is appreciated , what games are just simply so good you have to have them .

search.....this has been discussed more times than i care say.