The game can be picked for free from Microsoft Korea - use chrome as browser as it auto translates for you.
Just add the games to your library with your Gold membership. Full credit to search85 at MyDealz
for the spot.
Experience the most complete Trine ever created!
The Trine series returns to the magic of 2.5D with Trine 4: The Nightmare Prince! The three heroes of the best-selling adventure series are back, sent on a quest to retrieve the troubled young Prince Selius. Amadeus the Wizard, Pontius the Knight, and Zoya the Thief are joined together once again on a thrilling quest through fantastical fairytale landscapes teeming with danger.
Prince Selius suffers from intensely dark dreams and, due to his magical talents, monstrous nightmares are able to slip into reality and wreak havoc on the waking world. Amadeus, Pontius, and Zoya must find the afflicted prince and resolve the desperate situation before the world is engulfed by the Nightmare Prince's shadows.
Trine 4 reaches new heights in the series, bringing the most complete gameplay experience ever to fans and new players alike!
Hope it helps someone.