Doom, Phobos Lab, by kbanas.
If memory serves, you take the elevator down and the lights are out – then, when you trip some invisible boundary, the two secret rooms open – full of Imps and Flaming Skulls. I was like 13, and I was in a big Tom Clancy phase, book-wise, and I remember I was reading Clear and Present Danger, and there’s a scene where some like super-secret Navy Seal type guys fight a Colombian drug cartel, and the name of the chapter or whatever was “The Battle for Ninja Hill” – and I bring that up only because I remember when I got to this part in the game I died a bunch, and I vividly remember that I named the save game from right before the elevator as Battle for Ninja Hill, and I loaded it many, many times.
Also, I’m pretty sure I’m right, and there was a hidden BFG back there. I love that gun.
