PowerSlave
PowerSlave (Saturn, 1996) has an official source code release, Lobotomy-Software/SlaveDriver-Engine, and 1 other public project, including an open-source reimplementation.
Data checked 2026-10-12 · unbaked registry
Projects
SlaveDriver Engine for Sega Saturn GPL Source Code
Engine source uploaded Aug 2025 by 'Lobotomy Software Open Source Group' with blessing of programmer Ezra Dreisbach; also basis of Saturn Duke3D and Quake ports. No game data.
Powerslave EX is a unofficial recreation of Lobotomy Software’s obscured FPS game, Powerslave (also known as Exhumed in the UK)
Playable, halted ()
What you need
You need your own copy of the game: these projects ship code only.
More on Saturn
Found via timeextension.com/news/2025/08/the-source-code-f, retrorgb.com/lobotomy-softwares-engine-code-uplo, osgameclones.com/
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.