ZeroHedge has an interesting article about the best-selling games since 2020. The article is here:
https://www.zerohedge.com/technology/these-are-best-selling-video-games-2020
BLUF: Animal Crossing: New Horizons is the leader of the pack, with 48+ million sold. There aren't any wargames on the list, but there are several first-person shooters, including "Call of Duty-Black Ops and Call of Duty-Vanguard (each selling 30 million) as well as Fantasy games like Elden Ring (30 million sold) and HellDivers 2 (18 million) and Baldur's Gate (15 million)