Ross ROSS = Recommend OSS · open-source software intelligence for agents

mewo2/terrain

Fantasy map generator observed · 2026-08-28

github.com/mewo2/terrain · JavaScript · NOASSERTION (other) observed · 2026-08-28

Health v2 · maintenance only

32/100

  • Activity 0
  • 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: 3676
  • days_rel: n/a
  • days_push: 3670
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

3043 stars · 359 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A JavaScript library that procedurally generates fantasy terrain maps using the algorithm behind the @unchartedatlas Twitter bot. It builds on D3.js and a companion language-generation library to produce fictional world maps with place names.

Use cases

  • generate fantasy maps for a tabletop RPG campaign
  • create procedural fictional world maps in the browser
  • learn how terrain generation algorithms work
  • generate fantasy place names alongside terrain
  • build a map generator bot or web toy

When to choose

  • you want a proven fantasy terrain generation algorithm to fork or learn from
  • you need browser-based procedural map generation with D3
  • you want generated fictional names to accompany your maps

When to avoid

  • you need a maintained project with support or accepted pull requests
  • you need a production map-generation service with guarantees
  • you need real-world geographic data rather than fictional maps

Facets

library · maturity abandoned

simulation graphics data-visualization graphics simulation browser procedural-generation fantasy-maps d3 worldbuilding generative-art game-development javascript

1 source

Member repositories

RepositoryRoleHealth v2
mewo2/terrainmain32

For agents

markdown · JSON · MCP: product_card(name="mewo2/terrain")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem