Super shotgun/Doom 3

The Double-Barreled Shotgun, also known as the Super Shotgun, is a weapon introduced to Doom 3 by the Resurrection of Evil expansion pack.

The Super Shotgun has nearly equivalent strengths and weaknesses as it's classic Doom namesake.

It can only be found in Sarge’s office.

The best way to kill the Berserker is with the Super Shotgun: it takes less than 4 shots.