This excellent engine was developed by Ken Silverman. For the first time in 3D gaming it allowed realistic architecture with rooms above rooms, even though it wasn't fully 3D and this feature was based on design tricks. The first engines that were truly 3D were Quake and the XnGine used in Daggerfall.
Still games using the Build Engine tend to have more realistic levels than many later games. Outside scenes with towering buildings, cinemas, offices; even the space station in Duke Nukem 3D felt far more like a real building than anything you'd ever encountered in DOOM or Quake.
| William Shatner's TekWar | 95 | |
| Witchaven | |
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| Duke Nukem 3D | 96 | |
| Blood | 97 | |
| Shadow Warrior | |
Other games that used this engine were Powerslave, Redneck Rampage, NAM, Extreme Paintbrawl, and, unlicensed and never officially released, Legend of the Seven Paladins. Of all those games, Duke Nukem 3D was probably the most mainstream one.
The editor for this engine was distributed with the full version of Duke Nukem 3D; for the first time, players could create their own levels with full approval of the game's creators.
