Any Character You Meet

This Xbox community game Light's End has a fantastic new gameplay idea:

Not many developers are ambitious enough to put a multi-hour epic adventure game in the community games. And even more rare is to have one with such an innovative gameplay hook. In Light's End you can switch between pretty much any character you meet, which leads to some excellent puzzles as you discover which characters need to interact with each other to advance the game.

Makes me wish I had a 360.