urvive the relentless waves of soldiers by eliminating them with your tactical shooting skills! The enemies will keep coming, but you'll sure find a way to complete your mission. Don't forget to pick up loots that the enemies drop! Also check your primary and melee weapons, unlock skills and equip them to get stronger. Use WASD or Arrow keys to move around, click to fire weapon, R to reload. Hold down X key, aim with your mouse and click to throw your knife when you're out of ammo. Hold Z key and click to throw grenade.