File:Quake1.gif E3M3: The River 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 and Gold Key in order to proceed. The Gold Key is on an Elevator Trap, this is one of the portions of the level which Gregory A. MacMartin feels is redeemable. This level brings back the Scrag, Spawn, and Fiend. This level also brings back the Knight on Easy Difficulty.