Hey there,
I enjoy Linux gaming via WINE/Proton, but I often wonder about Linux-native FOSS games. You often see brilliant titles like 0AD and Mindustry mentioned, but there are also some unspoken gems in the “genre” like Minetest and it makes me wonder what other FOSS games are out there, that people just don’t talk about much? I’m looking to discover and play more of these titles.
There is a Wikipedia article about this: https://en.wikipedia.org/wiki/List_of_open-source_video_games
It is, however, vastly incomplete, as entries without “reliable sources” get deleted. Mind that linking the source code repository, the steam page, the license file and news about a game going open source are not enough to count as “reliable source”.