He became Rogue Trooper and set out to hunt down the traitor on his own side who helped mastermind the massacre.
Although there was only one surviving Genetic Infantryman in the comic, the boardgame is for several players and thus takes a bit of artistic liberty and declares there were actually several survivors.
The opposing players control one Rogue Trooper each and must hunt down the traitor across the devastated wastes of Nu-Earth.
Plastic miniatures represent the GIs and a card-system is employed for revealing who or what lay in each of the areas as the players explore the planet.
Jervis Johnson reviewed Rogue Trooper for White Dwarf #89, and stated that "it's fun, can be played to a finish in 2-3 hours and all the players are involved right up to the end.