amitp/mapgen2
Map generator for games written in Flash. *There's an HTML5 version* on github/redblobgames/mapgen2 . Generates island maps with a focus on mountains, rivers, coastlines. observed · 2026-08-28
Health v2 · maintenance only
41/100
- Activity 20
- Release rhythm 35
- Longevity 100
Flags: no_releases no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 5916
- days_rel: n/a
- days_push: 483
- n_releases_24m: 0
Adoption not part of the score
1371 stars · 212 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
A procedural map generator for games, written in ActionScript (Flash), that creates island/continent maps with coastlines, mountains, and rivers using a polygon (Voronoi) graph structure rather than tile grids. It generates roughly 1,000 polygons usable as distinct gameplay areas, with rivers, roads, and named terrain types, and has an HTML5 successor at redblobgames/mapgen2.
Use cases
- generate island maps for a game
- create continent maps with rivers and mountains
- generate polygon-based game world maps
- procgen for fantasy game terrain
- generate maps with towns and quest locations
- learn polygon map generation techniques
When to avoid
- you need a maintained or actively supported tool (the project is explicitly unmaintained)
- you need realistic heightmap-based terrain generation
- you cannot use ActionScript/Flash code (prefer the HTML5 version at redblobgames/mapgen2)
- you need tile/grid-based map generation
Facets
library · maturity abandoned
simulation graphics data-generation graphics simulation cross-platform procedural-generation map-generation voronoi actionscript game-maps rivers coastlines game-development
3 sources
- readme: https://github.com/amitp/mapgen2 · fetched 2026-08-28 · 3312dd3cd45c
- homepage: http://www-cs-students.stanford.edu/~amitp/game-programming/polygon-map-generation/ · fetched 2026-08-29 · 9ac314e8bfb4
- site_page: http://www-cs-students.stanford.edu/~amitp · fetched 2026-08-29 · 1e169666de6f
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| amitp/mapgen2 | main | 41 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem