Fire And Ice Elves VS Aliens

Description: In 2050 A.D., the alien invaded the earth. In order to guard the earth, Fire and Ice Elves must eat off the alien creatures. Note Ice Baby can only eat ice attribute of aliens, Fire Boy can only eat the fire attribute of alien.
Control: Ice Baby AWSD Fire Boy AWSD.
Keyword: alien , invaded , earth , Fire , Ice , Elves , attribute ,