The Exit Ending

Make it through the endless halls and find Ending 1: The Exit Ending, after wandering the halls for hours, you find a strange room that feels familiar... You see the front door and expect just more endless rooms, but then suddenly you fall through the floor! You get up and are in a new room that looks very similar to the previous room, but you hear what sounds like the outside. There is only one way to go in this room, a ramp up to a second floor. There is another door. You open it to the outside world! You have finally escaped! But how? And why now? After all this wandering, you just now find an escape? Did something want you to leave?