I could agree that some of the suggestions are straying afield of the original intent but:
Final Fantasy VII
Knowing that Cloud is a clone does not change this game.
That's not remotely the spoiler in question. The spoiler in question (and I have to stop my hands twitching toward typing in the spoiler warning here) is that Aeris (or Aerith if you prefer) dies quite violently partway through the end. And I would argue that it really changes things if you don't know it ahead of time.
no subject
Final Fantasy VII
Knowing that Cloud is a clone does not change this game.
That's not remotely the spoiler in question. The spoiler in question (and I have to stop my hands twitching toward typing in the spoiler warning here) is that Aeris (or Aerith if you prefer) dies quite violently partway through the end. And I would argue that it really changes things if you don't know it ahead of time.