My old school favourites are Jet Set Willy, or Quake 1, but I spent an extreme amount of time playing Interstate 76 / 82. Good times, man.
Loved Sega's outrun....now Im a Need for Speed junkie...lol.
"Do it with style or don't do it all"
Hard to really peg them but here goes my list of games I've played over and over again:
NES 8bit -Contra, Megaman 2, Super Mario bro 3.
SNES/SEGA 16bit -Super Metroid, Mario Kart, Super Punch Out, Sonic1&2
PS1 - Metal Gear Solid, Symphony of the Night, Final Fantasy 7, Darkstalkers
N64 - Goldeneye, Mario Kart, Mario 64, Orcarina of Time
PS2 - Disgaea, MvC2, GTA Vice City, Devil May Cry
I used to kick ass at Centipede. And yes Big Hank they still have arcades. There is one in the Deptford Mall in NJ that has been there since I can remember. Used to spend a lot of time and money in there.
Techmo Bowl (the original) and Mike Tyson's Punchout for the NES.