Portal of Doom: Undead Rising is an awesome and intense sci-fi horror game. You have received a distress call on the space station – this is a place where experiments are undertaken. You do not know what has happened – maybe the experiments have gone wrong! Welcome to play Portal Of Doom: Undead Rising game for free in friv1000000000.net. Portal Of Doom: Undead Rising is a wonderful game from our great collection of Friv 1000000000 games which are updated everytime.

Use Arrow keys And WASD button to Move, Use Move Mouse button to Aim, Use Left Mouse button to Shoot, Use Right Mouse button to Zoom, Use Spacebar button to Jump, Use Ctrl button to Run, Use X button to Crouch, Use Wheel Mouse button to Scroll Weapons, Use F button to Pick Up, Use R button to Reload, Use P button to Pause, Use L button to Lock/Unlock Mouse Cursor,

adventure, shooting, scifi, weapons, monster, zombies..