Press to begin the battle in Warfare Area. Guide your soldier using the WASD keys to dodge enemy fire. Align your rifle by moving the targeting reticle towards enemies. Click the trigger to shoot enemies and secure your base. Gather health packs dropped by defeated enemies to restock your supplies. Endure through rounds of increasing difficulty as enemies assault in larger numbers. Deploy barriers strategically to reduce damage. Finish all levels to recapture your base from enemy control.