Pull the gate up in this defense game and make sure none of the attackers makes it through. You will be in charge of keeping the fortress secure as you are under siege from a race of barbarians. Use the cannon to shoot and hire units to fight.
Survive the onslaught of fifteen enemy types utilizing four contrivances, each with their own weapon compatibilities. You salvage scrap parts by destroying enemies, which are used to upgrade your contrivances, projectiles, and bunker.
