Xbox 360 and Xbox are two different systems...Halo 3 is only playable on the Xbox 360. You cannot play 360 games on the original Xbox, and only some Xbox games are playable on the 360.
Xbox 360 and Xbox are two different systems...Halo 3 is only playable on the Xbox 360. You cannot play 360 games on the original Xbox, and only some Xbox games are playable on the 360.