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Re:Ask HN: Favourite open source game? by msmenardi on Thursday June 02, 2022 @01:56PM (#31598297)
I also love hexes. Have you seen this guy's blog before? It's a treasure:

https://www.redblobgames.com/grids/hexagons/

Re:Ask HN: Favourite open source game? by BlueTemplar on Thursday June 02, 2022 @03:41PM (#31599617)
Thanks a lot for this !

Another, way more generalist source for tilings :

http://www.roguetemple.com/z/hyper/geoms.php