Please make that free software

[appr0ve]

Thanks for your work.

Please change license to GPL-3.0-or-later.

If this happens, project will be revived.

Because engine can be introduce and support in GNU/Linux distributions.

Many free software activists will receive interest in the development of this project.

[sheepo99]

To argue for this, the best route would perhaps be to change the specifically the code to GPL 3.0, and the keep the data on a non-commercial license. This way people will still be able to use the engine to make their own games and mods, while the data remains off-limits.