Premise: Game engine recreations are remade engine interpreters for video games that replace the original engine binary that came with the original game. A notable example of game engine recreation is ScummVM which successfully recreated the SCUMM engine of classical LucasArts' point and click adventures. For further examples, refer to the list of game engine recreations.
Hypothesis: Game engine recreations are remade engine interpreters for video games that rewrite the original code to be less interesting.