Steam is now offering digital distribution of Tunnel Rats, the Vietnam War shooter that ties into Uwe Boll's Tunnel Rats movie, which was apparently already left its mark in the history of cinema. Word is: "As member of a 'Tunnel Rats' squad, the player is trained to clearing out the huge tunnel systems underneath the jungle of Vietnam. After all of his mates got killed in an ambush, the young GI finds himself all alone, fighting against the Vietcong, their deadly traps and his growing inner madness..."