The Stanley Parable/Nightmare Fuel

Beneath its comedic exterior, The Stanley Parable is rife with both Nightmare Fuel and Paranoia Fuel with its surprisingly excellent use of Nothing Is Scarier and Controllable Helplessness.
 * The Narrator's progressively manipulative and antagonistic behavior can get this way.
 * The ending where you end up trapped in a cage and slowly move towards a crusher,.


 * The "Pawn" ending, where the Narrator restarts the story and changes it so that ...
 * The Games ending. The Narrator, so fed up with Stanley, essentially abandons him in an unfinished netherspace of half-finished environments and utter darkness. Stanley plunges down and lands in the setting of the original mod- decimated, and devoid of light... and he's left alone there, presumably forever.