Anyone know any good prank games/videos?

Question: You know like the ones where you're supposed to be looking at the screen real closely and all of a sudden some scary face pops up? I'm in the mood for some Halloween pranking lol, I wanna scare some friends. I already know about the maze game and the car commercial, those are overused. If anyone knows any new good ones post it here to share.

Answer:
This is one I've always enjoyed.

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