GTA V was Rockstar’s best‑selling game

Look at the difference in sales between GTA V, Red Dead Redemption 2 and GTA San Andreas. It’s A LOT, right?

GTA V was Rockstar’s best‑selling game

I keep thinking of an obvious reason for this. Rockstar recently acquired FiveM. And there was already an online version of GTA V which by itself is very good too. Couldn’t that have contributed?