Cheat Engine is a memory scanner/hex editor/debugger created by Dark Byte (aka Eric Heijnen) for the Windows operating system. Cheat Engine is used for cheating in computer games. What the Cheat Engine does is searches for values input by the user with a wide variety of options that allow the user to find and sort through the memory database.

The reason this page is titled how to use cheat engine 5.5 on Friends for Sale: by far, the most widespread use of this cheats engine right now is in the Facebook application, Farmville. This is so true that the engine is widely known as the Farmville Cheats Engine.