An io game, you say? https://www.reddit.com/r/champzio/comments/d00ipf/introducing_champzio/
Thank you for mentioning this here, would've never found it otherwise <3
Unrelated, (and I imagine you probably get this a lot), your explanation of A* on your website has been very useful to me. I'm doing a simple grid-based movement roguelike for a project at my university and A* seems ideal for enemy movement.