EmulatorJS vs OpenRA

A side-by-side comparison of two self-hosted game engines & frameworks options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureEmulatorJSOpenRA
CategoryGame Engines & FrameworksGame Engines & Frameworks
LicenseGPL-3.0GPL-3.0
LanguageJavaScriptC#
Setup difficultyEasyMedium
Min. RAM256 MB512 MB
Deploymentdocker, bare-metal, sourcedocker, bare-metal, binary, source
GitHub stars★ 4,074★ 17,194
First released20202010
ReplacesRetroArch webCommand & Conquer, Red Alert

Why pick each one

Choose EmulatorJS if…

  • Pure client-side
  • Easy to embed
EmulatorJS details

Choose OpenRA if…

  • Faithful yet modernized RTS
  • Active multiplayer scene
OpenRA details

Frequently asked questions

Is EmulatorJS or OpenRA better?

Neither is universally better. OpenRA has the larger community, while EmulatorJS is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are EmulatorJS and OpenRA free and open-source?

Yes. EmulatorJS is licensed under GPL-3.0 and OpenRA under GPL-3.0. Both can be self-hosted at no software cost.

Can I run EmulatorJS and OpenRA with Docker?

EmulatorJS: yes. OpenRA: yes.

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