You’re dad would have liked Killing Floor 1/2. They are very gory coop shooters where you kill mutant demon things.
The CEO would agree as he’s Christian which explains why sadly the soundtrack is made of lame Christian metal. But that’s OK, when I used to play it, would cut the game music off and blast albums like Behemoth’s “The Satanist”. It fits the game and completes the atmosphere.
The Aubrey/Maturín books are awesome. Too bad they only made a single movie from them (Master and commander) but what a movie it was!