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Pioneer

Open-source space adventure and trading simulator

Game Servers ★ 1.9k stars Easy setup GPL-3.0

Pioneer is a free, open-source space adventure game offering a procedurally generated galaxy to explore, trade, and fight in. It is a single-player simulator that communities sometimes host as shared builds.

Official siteSource code

Key features

  • Procedural galaxy
  • Trading and combat
  • Newtonian flight model
  • Cross-platform

Strengths

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Active community (1.9k GitHub stars)
  • Written in C++

Is Pioneer secure?

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

Pioneer replaces

Self-hosted Elite alternativesSelf-hosted Frontier alternatives

Health badge

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

SelfHostIndex: 85 · excellent

Markdown
[![SelfHostIndex health score for Pioneer](https://selfhostindex.com/badge/pioneer-space-sim.svg)](https://selfhostindex.com/app/pioneer-space-sim/)
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<a href="https://selfhostindex.com/app/pioneer-space-sim/"><img src="https://selfhostindex.com/badge/pioneer-space-sim.svg" alt="SelfHostIndex health score for Pioneer"></a>
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.. image:: https://selfhostindex.com/badge/pioneer-space-sim.svg
   :alt: SelfHostIndex health score for Pioneer
   :target: https://selfhostindex.com/app/pioneer-space-sim/

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

Compare Pioneer

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