We Were Here Too (2018)
We Were Here Too is a co-op puzzle adventure video game where two players must work together to unravel the mystery of a dark castle. Players take on the roles of Castle Explorers and are separated by an impenetrable wall. They must communicate with each other, using only their voices, to solve puzzles and progress through the story. As they do so, more secrets about this mysterious structure are revealed until ultimately, as their final hour approaches, the truth behind it is uncovered.