sentences:  Of note is the plot device is hidden in a false Chaos Emerald being used that would destroy the space colony in which the villain Doctor Eggman is using as a base.It is at first implied that Eggman took the false Emerald, but in reality, when the last story is played, again, after the two normal stories are completed, a true conclusion is offered.Another example could be the survival horror game "Resident Evil 2", where, depending on your choice, you get to play with one of the two characters and get a certain ending for one of them to later discover, when you finish playing the second path with the second character, you fight the real final boss and the "true" ending (That may vary depending of which character you have chosen first) is shown.