Join Marine Special Forces... Fight off the invading enemy forces! Equiped with a machine gun, rocket launcher, grenades, Plasma Gun. Upgrade Armor, shield, many more

Use mouse to target, left click to shoot, space key enter upgrade shop,
1=Normal weapon
2=Grenade Launcher
3=Cannon
4=Rocket Launcher

h=help
i=hint
q=graphic quality
f=your status
e=to repair turret

Movement AWSD or arrow key