Multiplayer Movement

Hey Designers!

Today's criteria is a tough one:
Design a multiplayer (split screen, co-op or online matchmaking) game where the most compelling mechanic is the movement.

Be creative, and post your design in the comments. Use links or HTML for images or designs that don't fit in the comment box.

Template

Game Title:
Rating:
Genre:
Player count: (2 minimum)
Platforms:
Distribution Method:
Price:

Game Summary
One paragraph describing your game, and why it's worth playing.

3....2....1.... Design!