To this day, nothing tops nes games to me. They were fun as all hell.
Atari:
Donkey Kong, Centipede, Frogger, Asteroids
Nes:
Zelda, Battletoads, Contra, Blades of Steel, Super Mario 1 & 3, Mike Tyson's Punchout, Teenage Mutant Ninja Turtles 2, Ducktales, Chip N Dales Rescue Rangers, River City Ransom, Castlevania, Bubble Bobble, Paperboy, Excitebike
Snes:
Mario World, Street Fighter, Legend of Zelda - link to the past, Chrono Trigger, Donkey Kong Country,
Genesis:
Sonic, Sonic & Knucles, Mortal Kombat, Road Rash, Golden Axe, Streets of Rage 1 & 2, Aladdin
N64
Legend of Zelda - Ocarina, Super Mario 64, Mario Kart, GoldenEye 007, Donkey Kong 64, Mario Party 1, 2, 3
Playstation
Final Fantasy 7, Metal Gear Solid, Resident Evil, Crash Bandicoot, Tony Hawk 2, Tekken
Playstation 2:
Grand Theft Auto, Metal Gear Solid
Pc:
Prince of Persia (1989!) , Doom, Quake, Diablo, Half-life, Unreal Tournament, Monkey Island (the whole series. if you have never played it. you need to), Kings Quest series, Quest For Glory
ok. I'm realizing now that half of these games are like 18 years old. but I haven't really played games much since then.