green VS greys电脑版

Greetings.. this is a promotional mini game featuring the main stars of our upcoming adventure green VS greys about a cloning mishap that sends the alien greys on a galaxy long search for the green traveler that knows everything about the them who up til now nobody has seen because they never go anywhere alone and nothing survives the encounter. there is a million of them but only one of you. literally one million aliens to kill Can you kill them all and unlock the special surprise you can use in the full game? Click to end the aliens hold over the universe, the special surprise will only be available from this promotion