Have you tried the Notes app in Nextcloud? I moved all my keep notes to that not too long ago, and they show up as markdown files when you sync them to your desktop. There’s a Notes Android app as well.

I’m not sure. I used to play more but my free time has fallen off.

Needs a list of the communities as I’m too lazy to type it in.

Tremulous is a free and open source asymmetric team-based first-person shooter with real-time strategy elements. The game features two opposing teams: humans and aliens. Each team must attack the enemy’s base and team members while defending their own base. https://tremulous.net/