This project has been superseded by a much more ambitious project that is, basically, "Google Maps for Fantasy Worlds" (and happens to include a combat tool as well).
https://deity-online.com/
Visit us there.
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Deity (pronounced "DEE-ity") is a GameMaster (i.e. role-playing) utility. It has a large generic component plus modules to refine it for different game systems (e.g. HarnMaster, HERO, AD&D) and to simulate weather, combat, character generation, etc.
Important: Just...