Deathgame' is a The Hary Boys where they investigate the disappearance of Biff Hooper, a close friend of the Hardy Boys, at an army survival camp. After the Hardys' friend Biff Hooper vanishes at Ultimo Survival Camp, the Hardy come to investigate. Getting into the camp, they are taken to a man named Hammerlock and find Biff. Hammerlock releases the Hardys, Biff, and two other prisoners;for him to hunt down!