The greatest game of all time now playable in your web browser! This is the first episode of DOOM, the cool first person shooter by id software. The objective of DOOM is simply to locate the exit room that leads to the next area, while surviving all hazards on the way. Use arrow keys to control the doom trooper, kill all monsters and find keycards to open locked doors. Strafe with Q and E, fire with space and use R to open doors.