The Program

Operating System Support

  • Windows - 11, 10, 8, and 7
  • macOS - Sonoma, Ventura, Monterey, Big Sur, Catalina, Mojave, High Sierra, Sierra. Legacy support for Yosemite and El Capitan.
  • Linux - Validated with current Ubuntu, Fedora, Debian, Linux Mint, and Mx Linux. Other distros supported as well (try the demo and let us know if you have any issues)
* Note Linux Debian requires the package "libgtk2.0-0" to be installed for OWM to run.

Hardware Requirements


  • CPU: Athlon II dual core(1.8GHz) or equivalent.
  • Memory: 2GB or above

Note that for the minimum requeriments you'll be limited in the size of the map you can create.


  • CPU: Athlon II quad core(2GHz) or above
  • Memory: 4GB or above (more memory will allow for larger maps)

If you have any doubts, please download and try the demo!