Sigma Protocol

Survive endless waves of enemies in this real-time strategy game. Build your base, manage resources, and defend against increasingly difficult attacks. Construct buildings, train units, and survive enemy waves. Gather gold and iron to expand your base and unlock new technologies. Work toward building the Omega Beacon to achieve victory, or continue in endless survival mode. Command infantry, artillery, tanks, and other units to defend your base. Build towers, walls, and production facilities to strengthen your defenses.