The Chosen Ones (2017) online

Seventeen year old Bulgarian boy, Orlin Nedkov finds himself victim of a strange, unknown world where reality and illusion become grossly distorted. Joined on the journey by a group of unknown youths, they find themselves the chess pieces in a game of seemingly cruel intention. Unaware it is a dream, or that one of them is orchestrating it, they become embroiled in a maze of infinite possibility, which can only end with one of them able to return