Trine 4: The Nightmare Prince is the fourth installment in Frozenbyte's action-adventure puzzle-platformer series, returning to the franchise's signature 2.5D presentation. Players control Amadeus the Wizard, Pontius the Knight, and Zoya the Thief as they quest through fairytale environments to find Prince Selius, whose magical nightmares are manifesting in the real world. The game supports local and online cooperative play for up to four players, with puzzles dynamically adjusting to the player count.A revamped combat system introduces new challenges, including boss fights that bring the heroes' nightmares to life. The game also features extensive skill trees for character progression and a captivating narrative woven through its distinct 2.5D landscapes.