Here are some hard EM accomplishments on games that I own.
1) Williams Heat Wave: Getting max points on the single drop target.
2) Bally Rocket III: Visiting Mercury through Neptune in one game.
3) Gottlieb Atlantis: Getting 5,000 points three times on the drop target bank before resetting the targets.
4) Gottlieb North Star: Scoring 2,000+ points
5) Gottlieb Royal Guard: Scoring 10,000+ points
Marcus