Yes.
It is mostly a PC game, but Sid Meier's Civilization Revolution is available for Xbox 360, Nintendo DS and Wii, PS3. and the iPhone
PAL June 13, 2008 (PS3 & Xbox 360, Demo Version) NA July 8, 2008 (Full Version)
no
Sid Meier's Civilization V is not available for the Xbox 360 just the PC and Mac
No, Pokémon Battle Revolution is for the Nintendo Wii.
No, but there are American Idol games for the Xbox 360. They are Karaoke Revolution Presents: American Idol Encore and Karaoke Revolution Presents: American Idol Encore 2.
"Dance Dance Revolution" for PlayStation 3, Wii and XBOX 360
No but they have dance central and dance dance revolution
most games you can play but mostly the new games also you should have a gold Xbox live membership and when you do make a account and sign in to Xbox then it should update your Xbox which should let you play most Xbox games on Xbox 360
Downloadable Content has been out for a long time now in gaming. The Xbox 360 is offering full games like Civilization Revolution for download right onto the system from Xbox Live. The PC however probably holds the record for longest running DLC gaming just because PC are mostly all online.
Karaoke Revolution, which also has many sequels, are available on the Playstation 2, Playstation 3, Nintendo GameCube, XBox, Wii, and XBox 360. The series was rebooted in 2009, and the most recent version is available on the Playstation 3, Wii, and XBox 360.
No either get a PS3 or an Xbox 360