XBLA games often default to "Trial" mode. Ensure you use a tool like XM360 on your console to scan and unlock the full version if it shows up as a demo.
The game is famous for its art style and humor. Each level begins with a hilarious cutscene parodying historical figures or myths using paper-cutout animations. It's an excellent "pick-up-and-play" title that works great in local split-screen multiplayer. Rock of Ages [XBLA][Arcade][Jtag/RGH]
For the console to recognize the game, it must be placed in the correct path on your Internal HDD or configured External USB: Hdd1\Content\0000000000000000\58410B07\000D0000\ XBLA games often default to "Trial" mode