The team over at iiji must have a thing for doing co-op in a valley.  Earlier this year we brought you an exclusive first look at a new co-op mode called Death Valley for the free to play FPS called Alliance of Valiant Arms.  iiji's is back with a brand new free to play FPS called Genesis A.D. - a futuristic game that's more about twitch gameplay than strategy.  It too is getting a cooperative mode, this time called - Viper Valley.