Frogger (I burned two Atari sticks out before I shagged a WICO and really started to kick frog).
Temple of Asphai (Ironic that it was coded in BASIC, I shut the sound off on it to keep from getting too spooked, but still got spooked anyway!)
A ton of Commodore Public Domain games, including Warehouse and Star Trek.
GUNSHIP (Loved it!)
Project: Stealth Fighter (Still got the keyboard template, I spent hours on it and it rocked!)
Badlands (never could get the hang of it)
Centipede (First game I played with a mouse, kicked pede and burned 'shrooms.)
And I got GEOS and almost all the software that they put out for it and had a ball working with it and tweaking it. I got the 1581 to operate with it but never could get GEOS to boot off of the '81, software protection crap.