Crackdown US Gold wasn't mastered properly, hence the last level didn't work.
Tip Off was the name of the Anco Basketball game that had to be removed from sale because it was so riddled with bugs.
Supremacy had a bug where if you went through various menus in a certain order, when you went to view what was happening on a certain planet, it would corrupt the name of the planet.
Fighter Bomber had an language option of English or French. It didn't matter what you selected, only English worked. Also the collision detection didn't work on certain levels, the Mount Rushmore being the most obvious... you could fly through it!
Premier Manager 3 Deluxe had to be bodged. In one of the Football competitions if you beat one team, and they were knocked out of the competition, they would appear again later on in the competition because of a bug.