An example of that model is Mindustry: https://mindustrygame.github.io/ https://mindustrygame.github.io/ (Open source) https://anuke.itch.io/mindustry https:/

An example of that model is Mindustry: https://mindustrygame.github.io/ https://mindustrygame.github.io/ (Open source) https://anuke.itch.io/mindustry https://anuke.itch.io/mindustry (Pay-what-you-want, recommends $6.00) https://store.steampowered.com/app/1127400/Mindustry/ https://store.steampowered.com/app/1127400/Mindustry/ ($5.99, with various Steam integrations; it has over 4,900 _reviews_ by people who _purchased it on Steam_, which indicates a lot more purchases. See also this: https://mindustrygame.github.io/wiki/faq/#why-are-you-charging-for-the-game-on-steam-and-ios-when-it-is-available-for-free https://mindustrygame.github.io/wiki/faq/#why-are-you-chargi...)