Return to Castle Wolfenstein Wolfenstein 3D: Successfully complete the game in single player campaign mode to unlock the original Wolfenstein 3D. Hint: Peeking around corners: Click and hold the Left Analog-stick while moving it left or right. The only problem is that you cannot shoot. Hint Head shots: Turn off the automatic aim option to get a good head shot. Otherwise, you will lock on to the enemy's body. Hint: Multi-player mode: Airstrike: A lieutenant can call in an airstrike by pressing Zoom, then pulling the trigger on where you want the bombs to drop. There is a ten second delay. Hint: Multi-player mode: Medical kit: A medic can help his teammates by switching to the medical kit. Press R to drop it