Reference? The source was dedicated to the public domain in early 2018, which coincides with the release of the game [0].
> So the model that made this economically viable was the proprietary control model.
This is a complete fabrication.
> Anyway, just because a handful of games can exist on libre models (even given what I've said) that doesn't mean the industry can survive with mandatory libre requirements.
Making a living from open source software is hard, game or no. Making a living as a game developer is hard to begin with and many proprietary games are not commercially successful or viable.
My point was that the ecosystem is a lot more complex than your reductive analysis.
[0] https://github.com/jasonrohrer/OneLife/commits/master/no_cop...