

He went on to program Boom, the source port that’s formed the basis of many Doom WADs since. The mod was never released for free – but you can still peruse its dense and devilish interiors on Steam today.

Halderman worked on TNT: Evilution, the 32-level mod that formed a full half of Final Doom. “I wish I had gotten here sooner, so I could’ve helped, but I also always thought he’d get better enough to get back to his computer, or at least online at all. “It has meant a lot to read all of the posts by people concerned with his health,” they wrote. A close relative, who discovered Doomworld and its community of concerned fans through Google, reported the news there at the weekend.
