You can now appreciate Trine's beautiful backgrounds in a new way, by running into them and interacting with them! This Trine 3 gameplay trailer demonstrates the new fully 3D world.
IGN's 9-minute gameplay video shows off Frozenbyte's new hook for the series, and you can see various ways in which the Thief, Warrior, and Wizard can solve puzzles in Trine 3: The Artifacts of Power.