Play Contra Advance: The Alien Wars EX online in your browser and enjoy with Emulator Games Online! Contra Advance: The Alien Wars EX is GBA game USA region version that you can play free on our site. This game has arcade, shooting, action, platform genres for Game Boy Advance console and is one of a series of Alien Contra games. If you love Alien Contra games you can also find other games on our site with Retro Games. Below you will find control for the emulator to play Contra Advance: The Alien Wars EX.