- Home: https://github.com/prophile/xsera, https://web.archive.org/web/20131206221639/http://www.xsera.org/
- Inspiration: Ares
- State: beta, inactive since 2010
- Keyword: strategy, real-time, shooter
- Code repository: https://github.com/prophile/xsera.git (@created 2008, @stars 12, @forks 6)
- Code language: C, Lua
- Code license: MIT
- Developer: Adam Hintz, Alistair Lynn, Andrew M, Scott McClaugherty