Case study

Re-Comprehend: rebuilding Penguin Software adventure engines

Re-Comprehend reimplements the Comprehend and Graphics Magician engines for Penguin Software adventures including Transylvania, Crimson Crown and OO-Topos. It reads the user's original DOS game files, preserves the original save format, and offers data dumps and runtime commands for inspecting objects, rooms and state.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 32
Last commit: 2015-07-13
Language: C
License (GitHub): CC0-1.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: A copy of the original DOS game and LibSDL2.
Testing evidence: Builds have been tested only on Linux.
Limits: Talisman is not currently working; some opcodes and graphics features remain incomplete.
License: CC0-1.0 dedication.

Cite

BibTeX

@misc{re-comprehend-case,
  title = {{Re-Comprehend: rebuilding Penguin Software adventure engines}},
  howpublished = {\url{https://github.com/RyanMallon/recomprehend}},
  url = {https://github.com/RyanMallon/recomprehend},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/re-comprehend-case/}}
}

Plain text

Re-Comprehend: rebuilding Penguin Software adventure engines. https://github.com/RyanMallon/recomprehend (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/re-comprehend-case/

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Primary sources

README.md GitHub · RyanMallon/recomprehend · Revision 6cee726
BUGS.md GitHub · RyanMallon/recomprehend · Revision 6cee726