Case study

doukutsu-rs: a Rust reimplementation of the Cave Story engine

doukutsu-rs reimplements the Cave Story engine in Rust and runs on separately supplied game data. It supports the original freeware release, Cave Story+ and Nintendo Switch data, with additional controls and platform ports.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C1 partial scope or analysis entry

Stars: 1.3k
Last commit: 2026-10-31
Language: Rust
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Demo screenshot from the project's public documentation

Observed: Demo documented; the documentation covers part of the feature set.
Scope: Partial
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: Requires supported Cave Story data files, which the repository does not include.
Limits: The Nintendo Switch data path requires an updated release; version 1.0 data is unsupported.
License: MIT license.

Cite

BibTeX

@misc{doukutsu-rs-case,
  title = {{doukutsu-rs: a Rust reimplementation of the Cave Story engine}},
  howpublished = {\url{https://github.com/doukutsu-rs/doukutsu-rs}},
  url = {https://github.com/doukutsu-rs/doukutsu-rs},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/doukutsu-rs-case/}}
}

Plain text

doukutsu-rs: a Rust reimplementation of the Cave Story engine. https://github.com/doukutsu-rs/doukutsu-rs (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/doukutsu-rs-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · doukutsu-rs/doukutsu-rs · Revision 17d6462
Cargo.toml GitHub · doukutsu-rs/doukutsu-rs · Revision 17d6462