My oddball arcade favorites, in case anyone cares. ;)
Mappy
Champion Wrestler
Bagman (it's super-hard!)
Mat Mania
Discs of Tron
Sinistar
Crazy Climber
Qix
Phoenix
Mr. Do!
Magic Sword
This is, of course, along with the standards like Galaga, Ms. Pac-Man, Asteroids, Missile Command...