Space War Identity Crisis Arena

Space War Identity Crisis Arena is a mixture of shoot 'em up and tower defence elements set in world of hectic local multiplayer space duels. Each player can choose and switch his colour among four while dodging a shower of colourful bullets fired by him, his enemy and the turrets they placed upon the arena. But beware: alliances can be ephemeral!
Jam year: 
Can You Come And Play?
MS Windows, Mac OS X, Web browser with special plugins or packaged apps
Tools and Technologies: 
Unity (any product)