Alien Ambush! - Version 2.0 Now five games in one! Alien Ambush! Classic is everything you loved in Alien Ambush! plus better sound, better graphics, better music, and new weapon types! Alien Ambush! Invaders is a Space Invaders type game. Alien Invaders! Zone is an Asteroids type game. Finally Alien Ambush! Multiplayer Zone and Alien Ambush! Multiplayer War are games you can play with up to three other players on a network or on the Internet.