Garisani Heungsinso is a two-player cooperative mystery game set in Korea in the 90s. One is a human being, through conversation and field investigation, and the other is a ghost, instead of a horse, exploring a whisperer and hidden space to gather different clues and break the truth. Four stages, events of different structures await. It doesn't just get difficult, but every stage provides a new experience with new characters and puzzles. Communication Both of them must solve their roles due to asymmetries in information with different evidence to be obtained. Voice conversation is not supported for cooperative mode only. cooperative reasoning Two Partners, Purpose Solved the Request. Solve the problem through persistent communication! Place the acquired evidence on the case board to share each other's information and experience unique reasoning mechanisms