243 vs Cataclysm: Dark Days Ahead

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

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Feature243Cataclysm: Dark Days Ahead
CategoryGame ServersGame Servers
LicenseMITCC-BY-SA-3.0
LanguageCSSC++
Setup difficultyEasyMedium
Min. RAM50 MB512 MB
Deploymentbare-metalbare-metal, binary, source
GitHub stars★ 5★ 12,896
First released20232013
ReplacesNetHack

Why pick each one

Choose 243 if…

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • Written in CSS
  • Tiny footprint — runs in 50 MB RAM
243 details

Choose Cataclysm: Dark Days Ahead if…

  • Enormous depth
  • Active development
Cataclysm: Dark Days Ahead details

Frequently asked questions

Is 243 or Cataclysm: Dark Days Ahead better?

Neither is universally better. Cataclysm: Dark Days Ahead has the larger community, while 243 is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are 243 and Cataclysm: Dark Days Ahead free and open-source?

Yes. 243 is licensed under MIT and Cataclysm: Dark Days Ahead under CC-BY-SA-3.0. Both can be self-hosted at no software cost.

Can I run 243 and Cataclysm: Dark Days Ahead with Docker?

243: check the project docs for container support. Cataclysm: Dark Days Ahead: check the project docs for container support.

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