Any Austin is pretty great, he talks about videogames but more like checking the unemployment levels in skyrim or following powerlines in GTA to see if the infrastructure makes sense

VideoGameDunkey is a certified classic

MiniMinuteMan does some cool paleontology videos, as well as some good conspiracy debunking

Explosions&Fire is a chaotic Australian chemistry channel (along with the sister channel Extractions&Ire).

Rybonator makes custom dice from resin and is a great choice for DnD fans and dice goblins

Natural Habitat Shorts is a hilarious animation channel that focuses on real animal facts