The complete agent session log behind the MarsQuake SDL2 port: a five-day run of the build agent (deepseek-v4-flash, opencode) that took the 1997 freeware Acorn RISC OS game MarsQuake v1.14 by Paul Taylor (CyPlexia), reverse-engineered it against the author-released sources, reimplemented the RISC OS layer on SDL2, added LAN multiplayer for up to four machines, and shipped a CI/CD release pipeline.

	Structure… See the full description on the dataset page: https://huggingface.co/datasets/h4rm0n1c/marsquake-agent-session.