How many copies can a game actually sell?

Just look at these numbers:

GTA 5: over 230 million copies
Red Dead Redemption 2: over 85 million copies
Mario Kart 8 Deluxe: 72 million copies
The Witcher 3: over 65 million copies
Animal Crossing: New Horizons: 50.63 million copies
Stardew Valley: 50 million copies
Cyberpunk 2077: 40 million copies
Elden Ring: over 30 million copies

What surprised me most was Stardew Valley.

A pixel-art farming game originally made by one person somehow sold 50 million copies. So many big-budget AAA games can’t even come close to that.

GTA 6 comes out on November 19.

Do you think it’ll eventually outsell GTA 5, with its 230 million copies?