Something I discovered yesterday.
It's like a bizzare MMO cross between Lemmings and Fantastic Contraption.
The premise is simple.
You are a mouse. You have to get the cheese and bring it back to your hole past various obstacles such as bottomless pits, bombs, your fellow mice and the incompetence of your friendly neighbourhood shaman.
To help you, one (sometimes two) of the mice will be designated as a shaman each round, and can produce a variety of objects, allowing him to bridge gaps, construct ramps and elevators, build physics-raping constructs from anvils, and
This video pretty much sums up the general attitude of the game.