Portal of DOOM is a cool first person horror shooter with lots of creepy monsters and mysteries to solve. You can play this game online and for free on Silvergames.com. The year is 2177 and you were sent to a space station that has been attacked by evil creatures. Your job is to kill the attackers and find survivors on the labyrinth like installments of this huge station.
Find keys to open locked doors, discover what happened to the space station and try to get out of this hell alive. Have fun with Portal of DOOM!
Controls: Arrows / WASD = move, Mouse = aim / shoot, Space = jump, Shift = sprint, F = interact with objects