What game ending stuck with you the most?

What video game ending made you stop and think for some time or just surprised you a lot? Let's talk about game endings, but no spoilers please. I really loved Inside ending, but I can't really say much about it.

Parents
  • The Settlers 2, but only because I couldn't understand why the game won't end until I figured out that it won't end until I put the CD in. 

Reply
  • The Settlers 2, but only because I couldn't understand why the game won't end until I figured out that it won't end until I put the CD in. 

Children
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