Pokémon Let's Go Pikachu and Eevee might take you back to one of the series' most familiar stomping grounds, but - as you're probably already aware - they also manage to introduce some major changes to the formula for returning players, mixing both elements of Pokémon Go and the mainline games, as well as some slightly new concepts altogether.
How to get Mew in Pokémon Let's Go is probably one of the first things you're going to be wondering if you've taken the plunge on the rather lovely Poké Ball Plus - or, for that matter, if you're just curious about how to get one of the best creatures in the first-gen games.
Catching Pokémon in Let's Go would, you'd think, be one of the game's simplest elements, but it's actually the place where you'll find a lot of the game's hidden depth.
Starter Pokémon in Let's Go - not just your actual starters Pikachu or Eevee - are actually available in the wild to be caught.
TMs, the special items that allow you to teach your Pokémon new moves, work pretty similarly in Pokémon Let's Go to how they do in the other mainline Pokémon games.
Pokémon Let's Go Pikachu and Eevee bring some major changes to the traditional Pokémon experience, but they also shake up some of the little things on your return to the Kanto region of generation one, from what items are available and where, to the trainers you battle and the Pokémon that can be found along the way.
Pokémon Go's Meltan, and its evolution Melmetal are the only new Pokémon coming to both Go and Let's Go via the new Mystery Box mechanic, and are somewhat unprecedented for the series: a debut of a new, never-before-seen creature outside of the main games or anime.
Pokémon Go to Let's Go transfer steps are surprisingly involved, requiring you to sync Pokémon Go to Let's Go on Switch, and also reach the required part of the story in Let's Go before you can do so.