Final plug on the spell chess story mode I created: https://www.tactorius.org/ that is as long as I never make it multiplayer. Play through 3 full sagas of story arcs as you follow sidian, cassandra, and voltaire in their journey of truth and reconciliation. Completing a chapter will put you on the leaderboard. Learn about the technics and philosophy behind chess in the lexicon or experiment with the new pieces and rules in quick play. Most rules are validated by the custom variant engine.
Final plug on the spell chess story mode I created: https://www.tactorius.org/ that is as long as I never make it multiplayer. Play through 3 full sagas of story arcs as you follow sidian, cassandra, and voltaire in their journey of truth and reconciliation. Completing a chapter will put you on the leaderboard. Learn about the technics and philosophy behind chess in the lexicon or experiment with the new pieces and rules in quick play. Most rules are validated by the custom variant engine.
Completely open-source and free
https://www.tactorius.org/