Portal of Doom: Undead Rising is a space station horror shooting game. Many monsters and evil creatures are attacking the universe. Destroy them and rescue the survivors.
Portal of Doom: Undead Rising is a first-person shooter. 3D graphics and scary sounds will definitely help you have a fun virtual-world experience.
Use the WASD or arrow keys to move around.
Use the mouse to look around.
Left mouse button to fire
The right mouse button is used to aim.
Mouse wheel to change weapons
Press R to reload.
Press the F key to pick up an item.
Left shift to run
Left Ctrl to crouch
X to prone
Press the V key to perform a melee attack.
Space to jump