MW2 OG is top no doubt, that game defined the whole franchise. The vibes were unmatched. BO2 right behind it, MP and zombies were peak. Campaign was heat too.
MW2019 is up there, modernized everything in the best way. Gunsmith was a game changer.
BO1 was a solid all-rounder, cold war spy vibes hit different. Plus the numbers Mason.
World at War still holds up for the real ones. Gritty, dark, and the zombies were brutal.
Vanguard and Ghosts down at the bottom for me. Just mid overall.