Platformer - I don't particularly like platformers, but I have a certain fondness for Mario 64.
Puzzle - does Solitaire count?
RPG - Disco Elysium
Action - gonna cheat here and say The Witcher III.
Fighting - I guess the Tekken series
MMO - WoW, although I don't play it anymore since Blizzard is the worst.
FPS - Halo
Rhythm - N/A
Adventure - Broken Sword
Racing - N/A
Sports - N/A
Mobile - anything by Choice of Games
Survival Horror - N/A
4X - no idea what that is
Tactical/Strategy - ALL OF THE FIRE EMBLEMS
Sandbox - Skyrim
Visual Novel - I literally cannot choose, so I'm gonna say Doki Doki Literature Club.
Stealth - N/A because I'm trout at stealth.