DonstaArcade is making games of a variety of genres and they range from arcade score-attack games to competitive dungeon-crawling board games with in-depth guides attached. Check them out and find something you like! You can even suggest your own ideas if you have a game you wish existed!
Discord link for matchmaking and discussion:
Parsec software (used for multiplayer):
Old pictures and media for the games:
Merged Zamasu Project - Mugen:
Super Babidi Mod Project - Mugen: