/vr/ - Retro Games

This is the game you should start with. It's essentially the first pokemon game (red/blue), but with slight improvements, such as color graphics even when not playing on a super gameboy, better pokemon sprites, and the ability to catch all three starter pokemon.
Either way you should start with the gen 1 gameboy classics, they are what started the pokemon craze after all, and everything else that came afterwards is just a by-product.