The Program

Operating System

  • Windows 7, 8 and 10
  • macOS - Sierra, High Sierra, Mojave, Catalina and Big Sur. 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!