It has the potential to add a ton of replay value to an existing game, and can sometimes serve as a big selling point. Have you ever played a video game that you really like, so much that you started to daydream about making your own levels for it and playing your own creations? Some game companies are nice enough to help players achieve that dream, by adding a level editor to their games.Ī level editor is a program, or feature built into a game, that allows players to make their own worlds, or in some cases, edit the ones built into the game itself.