Jump into the action and battle your way through hordes of aliens from canyon deserts to tropical islands inside fully destructible environments !
Complete the 3 large open world maps guided by story lines set in different places to unlock upgraded weapons and perks for achieving the maximum fire-power, or play the survival mode in 2 survival maps and try to resist against aliens for as long as possible !
Fight different species of aliens with bosses by using different tactics and weapons to defeat them in a fully destructible environment as much by the player as by the aliens.
Grab and upgrade the 8 weapons of the game, ranging from the revolver, the tommy gun to the grenade launcher with each one having 2 levels of upgrade to increase their efficiencies. Take advantage of the perk system using credits points earned during playing to increase health, speed, jumps, melee kicks, etc...