Oceanhorn Monster of Uncharted Seas is a RPG, Action and Adventure game for PC published by Cornfox & Bros in 2015. It’s the adventure time!
Oceanhorn Monster of Uncharted Seas PC Game 2015 Overview:
The story is about a boy which has lost his grandfather. Actually, His grandfather has went on a journey. The only thing he has left is a notebook and his necklace.
(v188.8.131.529 Update added)