Super Metroid. Play it once a month cause of speedrunning. Every other retro game I play at least once in a while

Fucking Kirby, play that shit like once a month, each game!
Maybe also Megaman and someothers when I have the time....Ha "Time"

Super bowl tecmo lol. I have played Mario and sometime other game.

Master of Magic.

The Power Rangers SNES game.

I like too many to list one, PC master race since 80's

Lords of the Realm
System shock
Ultima
Syndicate
Populous
Elite
Sid Miere's pirates
Sim city 1989
Wasteland
Knights of the Sky
Red Baron
CoD 1

I better stop there.

I don't know if it counts since it's from 2006, but my favorite game is Mother 3.

My favorite retro games (if they count as retro):
Pokémon Sapphire (my first Pokémon game ever, I grew up with it and still love Hoenn the most.)
F-Zero GP-Legend (GBA)
No Fear Downhill Mountainbiking (PS1)
Marble Madness (Amiga)
Track & Field (NES)
Croc (PS1)
Renegade Racers (PS1)
The Sims 1 (PS2/Gamecube)

tic tac toe.very retro ;)