The Build Engine is a fascinating piece of tech. Made by a young Ken Silverman, the engine was made as one of those engines that could rival Doom in features, and was used to great effect with its design, features and most importantly, interactivity. Build brought us some of the coolest mid-90s FPS games: Shadow Warrior, Blood, and of course, the granddaddy himself, Duke Nukem 3D.

With news breaking of someone leaking a work-in-progress build of Duke Nukem Forever from around 2001, I’d be kinda getting an itch to go back to the ‘roided up wisecracker. Problem was finding good Duke-related content.
While Doom’s mod community is well documented and reported upon, I feel the Duke Nukem 3D mod community is talked about a lot less. Granted, there isn’t a whole lot of outstanding mods, and some of the more notable ones like Plunder & Pillage have an unfortunate history behind it. But somehow, I found a modification for Duke Nukem 3D that for a good while was my go-to if I wanted to play a game that wasn’t a Call of Duty title.

Duke Nukem: Alien Armageddon is a modification for Duke Nukem 3D using the eDuke32 source port of Build. At first glance, you’d think this is just a few new levels and maybe a few monsters. Oh, it’s much, much more than that.
Made by a team called “Dukeboss,” the team mostly consists of sebabdukeboss20, a modder known for the AMC Squad for Duke Nukem 3D, and DeeperThought, whose Duke Nukem Attrition mod for Duke Nukem 3D was something I played constantly for years. There’s a myriad of other developers involved, including mappers, artists, even voice actors; but those are the most notable members of team Dukeboss.

Alien Armageddon is a combination of Duke Nukem 3D with a myriad of new items and features. The original episodes from Duke Nukem 3D: Atomic Edition alongside two of the official expansion packs – Duke It Out in D.C. and Duke Caribbean: Life’s a Beach – which add new cutscenes, animated features and even abilities like an RPG system and an AI partner. I’ll get into that more in a bit.
Please note: This article was written in June 2022, which covered version 4.54, the most recent version of the mod at the time of publication. As the mod is often updated to add new content or fix bugs, some of the things mentioned here may differ from a more recent version.
