Battle bots is still going on. They have new seasons every year. There is a large break in between for rebuilds and try outs.

The DeTrans community on Reddit was a great place for what you are describing. I don’t know if there is an instance made for the same kind of community but it’s worth looking into. It’s about individuals who transitioned and then de-transitioned back to the original gender. Lots of good insight and has really helped me see both sides of transitioning.

Tabletopia has an app on iOS and is pretty slick online. We used it during the pandemic to play with my parents across the states.