File:Quake1.gif E2M3: Rook to King's Bishop 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] Rook to King's Bishop or King's Bishop is the third level of Corrupt Mischief. The level's name is a reference to the game of chess. The player must search for the Silver Key and Gold Key in order to proceed.