UFO: Alien Invasion vs Unciv
A side-by-side comparison of two self-hosted game servers options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
UFO: Alien Invasion
Open-source strategy game of defending Earth from aliens
VS
Unciv
Open-source reimplementation of Civilization V
| Feature | UFO: Alien Invasion | Unciv |
|---|---|---|
| Category | Game Servers | Game Servers |
| License | GPL-2.0 | MPL-2.0 |
| Language | C++ | Kotlin |
| Setup difficulty | Easy | Easy |
| Min. RAM | 512 MB | 512 MB |
| Deployment | bare-metal, binary | bare-metal, binary, docker |
| GitHub stars | ★ 166 | ★ 11,071 |
| First released | 2002 | 2018 |
| Replaces | XCOM | Civilization V |
Why pick each one
Choose UFO: Alien Invasion if…
- Released under the GPL-2.0 license
- Easy to set up — beginner-friendly
- Written in C++
- Lightweight — runs in 512 MB RAM
Choose Unciv if…
- Released under the MPL-2.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Mature project with 11.1k GitHub stars
Frequently asked questions
Is UFO: Alien Invasion or Unciv better?
Neither is universally better. Unciv has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are UFO: Alien Invasion and Unciv free and open-source?
Yes. UFO: Alien Invasion is licensed under GPL-2.0 and Unciv under MPL-2.0. Both can be self-hosted at no software cost.
Can I run UFO: Alien Invasion and Unciv with Docker?
UFO: Alien Invasion: check the project docs for container support. Unciv: yes.
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