DOSDOS · 1989 · Fantasy sports game
Grand Monster Slam
Grand Monster Slam (DOS, 1989) has a partial official source release.
Data checked 2026-10-13 · unbaked registry
Projects
Grand Monster Slam
Source release
Wikipedia: source-available (non-OSI license and/or partial SDK code); source released 2017 by/for Rolf Lakaemper, Hartwig Niedergassel. In March 2017 the source code of the game became available via the Internet Archive.
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What you need
You need your own copy of the game: these projects ship code only.
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GitHub data checked 2026-10-13. Notes are summaries from the research pass; the project pages are the authority.