! For the French slasher film, {{Film/Inside}}
* DevelopmentHell: TheRemake.
* DuelingMovies: ''Baby Blues''.
* WagTheDirector: The behind the scenes video indicates that Béatrice Dalle may have done this in regards to handling her character, although the end result seems to be positive as both directors have planned to keep her on board for all their future projects.
* WhatCouldHaveBeen: An epilogue taking place in the future [[spoiler:with Sarah's daughter visiting where her mother died]] was planned but ultimately scrapped.
! For the spiritual successor to Limbo, {{Videogame/INSIDE}}
* {{Homage}}/ShoutOut: This game shares a lot of imagery and puzzles with ''VideoGame/OutOfThisWorld''.