Doom Preowned for Sony PlayStation 1 is a GT Interactive video game featuring a space marine who, after assaulting his commanding officer, is posted to mars. Play the space marine in this GT Interactive video game, who protects the earth by fighting the demonic enemies. The player, in this first-person shooter video game faces his enemies on the two moons of mars, namely Phobos and Deimos and then ultimately, in hell. With over 30 hellish levels to complete, this GT Interactive video game will prove to be quite the challenge. The Doom Preowned for Sony PlayStation 1 is a single as well as multiplayer first-person shooter video game that lets you take on a friend to double the fun!