NetHack 5.0.0
NetHack 5.0.0 was released on May 2, 2026, introducing significant architectural and gameplay improvements over previous versions. The release includes over 3,100 fixes and changes, with updated build processes and cross-platform compatibility enhancements. Saved games and bones files from earlier versions are incompatible with this release.
- ▪NetHack 5.0.0 was released on May 2, 2026, by the NetHack DevTeam.
- ▪The release improves cross-compilation support and replaces yacc/lex tools with Lua-based alternatives for level and quest processing.
- ▪Source code is now compliant with the C99 standard, and existing saved games or bones files will not work with version 5.0.0.
- ▪Over 3,100 fixes and changes are documented in the file doc/fixes5-0-0.txt, provided as-is and potentially containing spoilers.
- ▪Users can verify downloaded binaries using SHA256 checksums via certUtil on Windows or use 'nethack --showpaths' to locate game files.
Opening excerpt (first ~120 words) tap to expand
The NetHack DevTeam is announcing the release of NetHack 5.0.0 on May 2, 2026 NetHack 5.0 is an enhancement to the dungeon exploration game NetHack, which is a distant descendent of Rogue and Hack, and a direct descendent of NetHack 3.6. NetHack 5.0.0 is a release of NetHack. As a .0 version, there may be some bugs encountered. Constructive suggestions, GitHub pull requests, and bug reports are all welcome and encouraged. Along with the game improvements and bug fixes, NetHack 5.0 strives to make some general architectural improvements to the game or to its building process. Among them, 5.0: Has its source code compliant with the C99 standard.
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