All except for the grandmaster galaxy in SMG2. That level needs to die in a fire. It's just not fun, 1000x harder than the rest of the game and a reak kick in the crotch to anyone who needs that last stage (with only one life point) to 100% the game. The comet version of this stage is the...
You can do better than that. Telling us why is not hard.
My top 5 in any order. (age showing here)
Master of Orion 2
Terranigma
Secret of Monkey Island 2: LeChuck's Revenge
Quell Momento
Hearthstone