Csapd le csacsi!
In the Hungarian film "Csapd le csacsi!", a group of friends decide to play a prank on their friend Csacsi by pretending to be ghosts haunting an abandoned mansion. However, things take a turn for the worse when they accidentally awaken a real ghost who seeks revenge on them.
The friends must now find a way to escape the mansion and outsmart the vengeful ghost before it's too late. As they navigate through the dark and eerie corridors, they realize that the prank has turned into a terrifying nightmare.