Hello everyone! Please try my game Fifth Aeon. It is a 100% free and open source collectible card game featuring ~135 cards and counting. Play offline against the A.I. or online against other humans. You can even create your own custom cards in the card editor and share them online.

Browser version at https://fifthaeon.com/

Downloadable versions at https://william-ritson.itch.io/fifth-aeon

Source: itch.io