Gauntlet

Turn walls into exits:
If you are stuck or bored on a level, have all characters remain completely idle. After approximately two minutes, all the walls will turn into exits.

Achievements:
Complete the following achievements to unlock Xbox Live Gamerscore points.

Anti-Thief: Kill a thief.
Bling: Collect 10 treasure chests on Xbox Live under the default settings.
Co-Op: Complete level 10 on Xbox Live with another player under the default settings.
Co-Op Master: Complete level 20 on Xbox Live with another player under the default settings.
Max Co-Op: Start a four player Xbox Live Co-Op game.
Game Master: Complete level 100 under the default settings.
High Score: Score 100,000 points in an Xbox Live Co-Op game under the default settings.
Treasure: Get 11 treasures and complete a treasure level.
Elf Master: Reach first place on the game score board with the Elf under the default settings.
Valkyrie Master: Reach first place on the game score board with the Valkyrie under the default settings.
Warrior Master: Reach first place on the game score board with the Warrior under the default settings.
Wizard Master: Reach first place on the game score board with the Wizard under the default settings.