Do you have to be on Xbox live to play Xbox games on your Xbox 360?
for most xbox game to be able to play on your 360 an update needs to be applied to the 360. after the update though there is no need for live
Xbox live was on the original Xbox, meaning that there are several games which you can play online. Halo was the most popular game on the xbox. You can still play these games but noone will be playing them as the Xbox 360 has more and latest released games. Also, you cannot play Xbox 360 on the original Xbox, FACT!
Can you play new games on your old xbox or can you attach or change anything on your old xbox so it is compatible for new xbox 360?
No, you cannot, but if you have an XBOX 360, or an XBOX 360 elite, you can play XBOX games, with an XBOX 360 Arcade, you need an XBOX 360 hard drive to play XBOX games. No you can not play Xbox 360 games on the original Xbox. Some original Xbox games can be played on the Xbox360 but it just depends if they are backwards compatible or not. Very few games for original xbox…