There's now 48 videos in total, chronicling the game from early efforts until recent developments like torpedoes and monsters.
What else does Stuff+ do? He does regular in-depth previews, a lot of strategy / construction stuff like Aven Colony or Scrap Mechanic, but also other games like Space Hulk: Deathwing.
He also has a number of ongoing series about specific games at any given point, recently covering Planet Coaster, Stellaris, Transport Fever and Factorio. Plus, he has an adorable northern accent, so you should definitely check out his channel.