Quern - Undying Thoughts is a first-person puzzle adventure game that challenges your mind with complex puzzles and a mysterious island to explore. Developed by Zadbox Entertainment, this full version game is available on Xbox One under the adventure subcategory.

As you play, you find yourself trapped on the island with no way back, and you must solve the puzzles to unravel the mysteries of the island. The game's stunning visuals and beautiful scenery immerse you in the island's atmosphere, and the hints of the past guide you deeper into the story to understand the importance of your presence. The puzzles become increasingly complex, making you think outside the box to progress further.

Overall, Quern - Undying Thoughts is a must-play for puzzle and adventure game enthusiasts who love a good challenge and an intriguing storyline.