Case study

Cosmore: reconstructing Cosmo's Cosmic Adventure

Cosmore reconstructs the DOS source of Cosmo's Cosmic Adventure 1.20 in C and assembly for its three episodes. It builds with Borland Turbo C and Turbo Assembler and compares executable load images against the originals; the author reports 96.30% byte agreement, with remaining differences attributed to data layout.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 147
Last commit: 2024-10-23
Language: C

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Requires a DOS environment, such as DOSBox, and Borland Turbo C 2.0 with Turbo Assembler 1.0 for the closest build match.
Prerequisites: Requires the user's own COSMOx.STN and COSMOx.VOL data files for each episode.
Testing evidence: The author reports 96.30% byte agreement in compared load images.
License: MIT.

Cite

BibTeX

@misc{cosmore-case,
  title = {{Cosmore: reconstructing Cosmo's Cosmic Adventure}},
  howpublished = {\url{https://github.com/smitelli/cosmore}},
  url = {https://github.com/smitelli/cosmore},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/cosmore-case/}}
}

Plain text

Cosmore: reconstructing Cosmo's Cosmic Adventure. https://github.com/smitelli/cosmore (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/cosmore-case/

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Primary sources

README.md GitHub · smitelli/cosmore · Revision 80418d1
LICENSE GitHub · smitelli/cosmore · Revision 80418d1