Just looking at the poll, it is currently a very close race between Batman, Uncharted 2 and Demon's Souls. They are all close enough that I think any of these three games still has a good chance at the top spot.
curl-6 bet me that PS5 + X|S sales would reach 56m before year end 2023 and he was right.
My Bet With curl-6
My Threads:
Master Thread, Game of the Year/Decade
Switch Will Be #1 All Time
Zelda Will Outsell Mario (Achieved)
How Much Will MH Rise sell?
My Bet With Metallox