I think it can cross 8M with time. All platforms perhaps 15M and all remakes series about 30M.
Bonus: I think it will be a trilogy and last title will be released about 2026.
duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"
Azzanation: "PS5 wouldn't sold out at launch without scalpers."