Was talked about in the video "ULTRAWOOD".

Featured in Christmas "DUSK, AMID EVIL, ION MAIDEN - DEFENDERS OF THE FAITH" and had it's own series.

Along with the main game, Civvie also covered the P2 mod Happy Night for Christmas 2022.

Joke video dedicated to it.

Was talked about in the video "ULTRAWOOD".

ROUNDUP 5: THE REKINDLING

Was talked about in "DUKE NUKEM FOREVER - EMINENCE FRONT".

3D REALMS VIBE CHECK

Featured in "Throwback Roundup" and "ROUNDUP 4 - THE ALLUVION".

Joke video dedicated to it.

Featured in Christmas "DUSK, AMID EVIL, ION MAIDEN - DEFENDERS OF THE FAITH"

ROUNDUP 5: THE REKINDLING

Featured in Christmas "DUSK, AMID EVIL, ION MAIDEN - DEFENDERS OF THE FAITH" and had it's own video.

Featured in the "Realms Deep Roundup" and later got its own episode.

Was talked about in "SERIOUS SAM - DEVOLVE OR DIE".

Was talked about in "SERIOUS SAM - DEVOLVE OR DIE".

The Plutonia Experiment was covered in its own video, PRO DOOM: THE PLUTONIA EXPERIMENT.

TNT Evilution was originally considered "too boring" for its own video, only getting an offhand mention in the Doom 3 video. In April 2023, Civvie covered TNT in a series of 30 TikTok-length videos.

Was talked about in "SERIOUS SAM - DEVOLVE OR DIE".

Featured in: A Quick Look at Wrath: Aeon of Ruin and 3D REALMS VIBE CHECK

The Hellraiser April Fool's episode.

Featured in "Throwback Roundup" and had it's own video.

Was talked about in "SERIOUS SAM - DEVOLVE OR DIE".

Talked about in "Pro Nukem 3D: The Rise of Sunstorm" and "Pro Nukem 3D - Alien World Order".

64 BITS OF STEEL

Was talked about in the video "Daikatana - The Great Green Dragon".

64 BITS OF STEEL

Was mentioned in "Pro Nukem 3D - Alien World Order".