You can usually find them at pawn shops, and sometimes places like wall-mart and GameStop will have a small area for older games, you could try looking there too. Other than that maybe you'd get lucky at a yard sale or something, considering most original x-box games are becoming obsolete.
Chat with our AI personalities
As far as I know, you can play all original XBOX games on the XBOX 360. It may be different for some of the first XBOX games but both Halo and Halo 2 are playable on the XBOX 360.
Halo 3, Halo wars, Halo 3:ODST and Halo:Reach
If you are interested in purchasing an XBox 360 Halo game, then you will find several online retailers available. Walmart, eBay, Target, and Gamestop are just a few of the retailers that offer the XBox 360 Halo game.
Most major games will be able to play on the 360 like halo, forza but some won't work
Yes, but only to play system link xbox games that are compatible on the 360 (like Halo, Halo 2 and the like) but not to play system link on games that are on both (Battlefield 2 Modern Combat) using one 360 version and one Xbox version