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OpenDungeons

Open-source dungeon-keeper-style real-time strategy game

Game Servers ★ 501 stars Easy setup GPL-3.0

OpenDungeons is a free, open-source real-time strategy game where the player builds and manages a dungeon, inspired by Dungeon Keeper and Evil Genius. It supports skirmish and multiplayer matches.

Official siteSource code

Key features

  • Dungeon management RTS
  • Skirmish and multiplayer
  • Open-source assets
  • Cross-platform

Strengths

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in C++
  • Lightweight — runs in 512 MB RAM

Is OpenDungeons secure?

OSV.dev has no published security advisories for OpenDungeons's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

OpenDungeons replaces

Self-hosted Dungeon Keeper alternatives

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SelfHostIndex: 27 · at risk

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   :alt: SelfHostIndex health score for OpenDungeons
   :target: https://selfhostindex.com/app/open-dungeons/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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