Trine 4: Melody of Mystery is an expansion for the latest installment of the popular side-scrolling puzzle-platformer set in a fantasy world, Trine 4: The Nightmare Prince. The adventures of Amadeus, Pontius, and Zoya continue in a new story campaign. Our heroes must save the students of the Astral Academy from the clutches of the spirit of dreams by venturing into the magical world of dreams. There, they will encounter new puzzles based on new mechanics, including actions with ice, torches, magnets, and crystals.