# unknown-horizons/unknown-horizons

Unknown Horizons official code repository

Repository: https://github.com/unknown-horizons/unknown-horizons
Canonical: https://ross.abutalabs.com/products/unknown-horizons
Homepage: http://unknown-horizons.org
Language: Python
License Family: other
Topics: game, python, strategy, simulation
Last push: 2026-04-14T19:25:01+00:00

## Health v2 (maintenance only)
Score: 57/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 77, release rhythm 8, longevity 100
- inputs: {"age_days": 5854, "days_push": 141, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1532, forks 240 (observed 2026-08-28T04:04:59.474868+00:00)

## What it is
Unknown Horizons is an open-source 2D isometric real-time strategy simulation game focused on economy and city building, written in Python. Players expand a small settlement into a wealthy colony, managing resources, taxes, trade, and diplomacy with other settlers.

## Use cases
- play an open-source Anno-like city building game
- run a real-time economy simulation on Linux
- contribute to a Python game codebase
- host or join multiplayer strategy matches
- study component-based game architecture with YAML data files
- find a starter-friendly open source game project to hack on

## When to choose
- you want a free, open-source city-building RTS with economy depth
- you want to develop or mod a Python-based game
- you need a cross-platform strategy game that runs on Linux, Windows, and macOS

## When to avoid
- you need modern 3D graphics or a polished commercial experience
- you want a game with an active large development pace, as the project is in maintenance with a Godot port in progress
- you need a game without external engine dependencies like fifengine

## Facets
- artifact type: application
- maturity: maintenance
- function: game-engine, simulation, gui
- domain: gaming-tools, simulation
- platform: windows, cross-platform, python
- tags: real-time-strategy, city-building, economy-simulation, isometric, open-source-game, fifengine, godot-port, multiplayer, game-development, linux, macos

## Member repositories
- unknown-horizons/unknown-horizons (main) score 57

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:59.474868+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:31:20.565984+00:00, confidence not recorded.
  - readme: https://github.com/unknown-horizons/unknown-horizons (fetched 2026-08-28T04:04:59.474868+00:00, sha 53c38092e072)
  - homepage: http://unknown-horizons.org (fetched 2026-08-29T11:33:39.303179+00:00, sha 4758bc330a0d)
  - site_page: https://unknown-horizons.org/about (fetched 2026-08-29T11:33:39.312105+00:00, sha 616608358031)
- Data as of 2026-08-30T08:39:29.467469+00:00.