>>30807015Definitely BW and then B2W2. Those are worth playing through, BW moreso. If you're playing on a rom or have access to AR codes, I definitely recommend using a code to unlock challenge mode if you play B2W2 and enable it on your first playthrough. B2W2 also have pokemon from the national dex showing up immediately while BW is only limited to gen 5 mons.
Gen 6 is optional imo, worth taking a look into since you're a fan of the franchise but far, far from GOAT titles there.