Desktop or laptop computer. Dell, Lenovo, HP, Gateway or compatible. Pentium or Core 2 Duo Processor. XP, Vista or Windows 7 Operating system.
24 large levels 2 powerful bosses! Over 100 different units with unique 10 unique weapons with 3-7 level 15 different bonuses and 5 missile types! Five levels of difficulty for hardcore-gamers and rookies! 1-player and 2-player game modes! 12 cheat codes are available! Original soundtrack and powerful sound effects!