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OpenClonk

Open-source multiplayer action and tactics game

Game Servers ★ 401 stars Easy setup ISC

OpenClonk is a free, open-source multiplayer action game mixing tactics, settlement building, and side-scrolling combat. It includes a network mode for hosting cooperative and competitive games.

Official siteSource code

Key features

  • Action and settlement gameplay
  • Network multiplayer
  • Built-in scenario editor
  • Cross-platform

Strengths

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

Is OpenClonk secure?

OSV.dev has no published security advisories for OpenClonk'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.

OpenClonk replaces

Self-hosted Clonk alternatives

Health badge

Maintain OpenClonk? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 56 · fair

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[![SelfHostIndex health score for OpenClonk](https://selfhostindex.com/badge/openclonk-server.svg)](https://selfhostindex.com/app/openclonk-server/)
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<a href="https://selfhostindex.com/app/openclonk-server/"><img src="https://selfhostindex.com/badge/openclonk-server.svg" alt="SelfHostIndex health score for OpenClonk"></a>
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.. image:: https://selfhostindex.com/badge/openclonk-server.svg
   :alt: SelfHostIndex health score for OpenClonk
   :target: https://selfhostindex.com/app/openclonk-server/

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

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