Schlësselwuert Roller Coaster Rollercoaster

Ever think about answering trivia questions while your heart is popping out of your chest from the thrill of an amusement park ride? The game show -- the first of its kind -- takes place entirely on roller coasters, putting players to the test with brainteasers while they're strapped in and hoping to cash in.

Filmed over two years in Emerald Park, this behind-the-scenes documentary follows the trials and tribulations of building Europe's longest intertwining rollercoasters.

This is the story of how a family who produced rides and carriages for showmen runs Germany's largest amusement park. It is a unique development how the small, sleepy fishing village of Rust became a place marked by success. A career that not even the Mack family could have dreamed of. We look behind the development of the park, which obstacles had to be overcome and find out who was an ally of the Macks.