PROTECT THE FURNACEKeep the furnace safe! If damaged, it stops yielding gold, and if destroyed, the battle is lost.BUILDING Build cannons, barricades and bombs to hold off waves of goblins.COMBATUse your rifle to eliminate the goblins.REPAIR AND UPGRADEUse your hammer to repair and upgrade buildings to increase your chances of victory.NIGHT MODEDouble the challenge, double the reward, and double the fun!