Ok, I sent my list in, so now I can give some hints.
50. This game was unavailable for purchase for several years, and it didn't exist in physical form either. However, it's back now, and I just recently obtained a physical copy for of it for Switch thanks to Limited Run Games.
49. A common legend about this NES game is that it saved a certain well known company from bankruptcy. In truth that was probably hyperbole.
48. I haven't played this Switch game in the past year, and it's the first it's appeared on my list. But I bought it again recently, because I really wanted a modern game that had gameplay similar to my #49 game.
47. This is a GBA game based on a classic manga character.
46. This game features a very popular character, and it doesn't exist anymore.
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