| Open-source reimplementation of the popular UFO: Enemy Unknown | |
| https://openxcom.org/ | |
| openxcom-9999 | GPL-3+ CC-BY-SA-4.0 |
| download~amd64 ~arm64 ~x86 | gentoo |
| openxcom-1.0.0_p20220706 | GPL-3 |
| download~amd64 ~x86 | gamerlay |
| openxcom-1.0.0_p20210920 | GPL-3 |
| download~amd64 ~x86 | gamerlay |
| openxcom-1.0.0_p20180317-r1 | GPL-3+ CC-BY-SA-4.0 |
| download~amd64 ~arm64 ~x86 | gentoo |