Game Description:The Earth Defense Force needs you!! Planet Earth is under attack from alien invaders, and the EDF is our only chance for survival. Grab your gun, join your squad and repel the attacking forces in this action-packed, arcade-style shooter. Though the odds may seem impossible, you are not alone. Fighting by your side are your AI controlled Earth Defense Force teammates. This crew of soldiers will fearlessly charge into battle and assist you throughout the game. Join-up with a friend in co-op mode and work together to battle your way through the alien swarms. Take control of battle tanks, armored mechs, attack helicopters and hover bikes to help complete your mission across more than 50 missions.