The Haunted Poster – Gröna Lund Scare prank

In 2015 we open our scariest attraction ever at Gröna Lund. This is how we told Stockholm their worst nightmare awaits …

In order to release our new attraction we did this scary street prank in Stockholm. On an outdoor poster we gave people a chance to get a preview of our coming attraction using their mobile phones. But what they didn’t know was that this was no ordinary ad. In fact, very far from it…