The Finals is fun and free. Apex Legends is cool too. A lot of shooting but no gore at all.

I don't think there's a problem with restricting internet access for your kids, especially if you can get other parents (of your kids friends) to do it too

RunEscape has a pretty expansive free to play game. Cartoonish gore.

I'm still confused as to why you guys don't just ban the spending of money on micro transactions and not the game itself? Every game is jam PACKED with mtx these days, from CoD to Fortnite to Forza.

Golf with friends

Definitely have to get him Valheim, and they have an Xbox version now. Also, not multiplayer, but Kerbal Space Program is pretty fun. I have only played the PC version though, so can't speak to the console version.

At that age, maybe Among Us or Minecraft?