Tim Leuenberger contributed to the CleverRaven/Cataclysm-DDA repository by enhancing the project’s documentation, focusing on clarifying the mapping between terrain types and floor types within the game’s data structures. He updated the JSON_INFO.md file using Markdown, explicitly documenting how terrain representations correspond to floor data, which addressed a longstanding source of ambiguity for both mod developers and automated tooling. This work improved data quality and consistency, reducing the likelihood of downstream interpretation errors. Tim’s approach emphasized clear, maintainable documentation practices, ensuring that future contributors and tools can reliably parse and extend the game’s world-generation logic without confusion or misinterpretation.