DSDA-Doom (also Doom Speed Demos Archive - Doom) is a source port based
on the PrBoom+um 2.6.x fork of PrBoom+ by Ryan Krafnick (Kraflab).

It has extra tooling for demo recording and playback, with a focus on
speedrunning.  It also implements several new standards for mod and map
authors alike.

New features from PrBoom+ include:
- Heretic, Hexen, MBF21, and Doom-in-Hexen support
- In-game console and scripting
- Full controller support
- Palette-based lightmode for opengl
- Debugging features for testing
- Strict mode for speedrunning
- Various quality of life improvements
- Advanced tools for TASing
- Rewind
