File:Quake1.gif E4M2: The Tower of Despair Game Episode Designer Level Editor Soundtrack Level Theme Previous Map Next Map Specific Information Enemies Secrets New Weapons New Powerups New Obstacles New Enemies New Misc [Source] The player must search for the Silver Key in order to proceed. This level brings back the Ogre, Knight, Shambler, Death Knight, and Vore. There is a noticeable lack of Ammo or Health in this level.