The player will play as Sarge, now an army of one, against the whole of the Tan Army, under the leadership of Colonel Malice. All of the Heroes have been wiped out in a brutal Tan ambush and the Tan have found a new weapon of mass destruction that can reduce a platoon of soldiers into a mass of melted plastic. Sarge must go renegade and avenge the death of his fallen heroes, to take his revenge on the Tan Army and destroy Colonel Malice.