Ancient Konami coin op stuff:
Frogger
Scramble - Awkward colors galore
Super Cobra - "Sequel" to Scramble, still with awkward colors
Other things
A2600 Bank Heist - A more action-y Pac-Man clone
Turbo - Super primitive prototype of 3D racing by Sega (who else?)
I, Robot - First game ever to use polygons