Help the monsters have their freedom back. Get them out of the prison and clear the way so that they can get to the dimensional portal. Use your mouse.
Origins of the action game called Deadly Venom. Get rid of enemies in close combat, launch knives and use your weapons strategically. Hack the central computer of the Empire of Evil and destroy its security system. Use the mouse to interact, the space bar to activate the control panel, and the WASD keys to attack.