most fun i have had was in tf2 and samp

DCS World
It's a flight sim I guess, but still a game, right?

sly cooper 1-3
Ratchet & Clank Future: A Crack in Time
super Mario sunshine
mw2
fallout new vegas
jak and daxter

TF2
Minecraft
Terraria
Pokemon Platinum
Path Of Exile
Dauntless (Monster Hunter F2P game, really fun)
Rimworld

Mario Kart Wii

bro me and you had the exact same childhood

quake 3 arena
hotline miami 1
runescape
metal gear franchise
resident evil franchise (mainline games mostly)

Ocarina of Time
Halo 3
LISA
Minecraft
TF2
The Last of Us

everything else is irrelevant