itch.io

If you want some cool tic tac toe variations, you can check out my mini games:

https://dachshundstudios.itch.io/tiktaetoe

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https://dachshundstudios.itch.io/tile-xs-os

If you want a NIM variation, check this out: https://dachshundstudios.itch.io/war-of-forms