- Sonic the Hedgehog 2 contains data for a cut level called “Genocide City”
- Obscure Wolfenstein clone Corridor 7 randomly jumpscares the player with a red demon face during regular gameplay
- Dog Island, a Wii game in which all the characters are adorable chibi dogs, has a subplot about a doctor whose botched treatment caused the death of someone he loved many years ago. He still sees her in his dreams, unable to let go or move on.
Is Yume Nikki discernibly about anything at all?
There are some recurring nightmare motifs (car crashes, menacing imagery some fans have interpreted as phallic). We get several hints that Madotsuki is afraid to leave her room. Also at the end of the game, she
Endgame spoilers
CW: suicide
jumps off of the roof in the real world.