Well, here you'll have more than one.
Examples of good X-Men games:
*X-Men Arcade
*X-Men Mutant Academy
*X-men Legends 1
*X-Men Legends 2
*X-Men Rise of the Imperfects
**Even X-Men: the official game
Examples of bad X-Men games:
*X-Men: Destiny
*X-Men: Destiny
*X-Men: Destiny
*X-Men: Destiny
Even **X-Men: Destiny, which has blocky graphics, repetitive gameplay, no facial animation, cookie-cut dialogues, chopped editing, boring platforming and powers FX that look really awful. It has a pro though in the form of the cutscenes, fashioned in the way of animated comic strips with still images; the voice acting is fine too but not enough to compensate for the rest of its unhappy features.