Unsolved Case

Here is an excerpt from Unsolved Case's Steam description:

Unsolved Case is the free, standalone prequel to the cooperative point-and-click puzzle game series 'Cryptic Killer'. It is a 2-player cooperative puzzle game that requires each player to have their own copy on either mobile, tablet, PC or Mac. Internet connection and voice communication are essential.

Dip your toes in and go back to where it all began as you team up as detective duo Old Dog and Ally against the Cryptic Killer. For the first time in the series, you'll encounter a labyrinth of puzzles and challenges laid by one of the most devious minds in the world. Solve puzzles, crack codes, and find a way out.

Do you have what it takes to crack the Unsolved Case of the Cryptic Killer? Crack the case during a focused playthrough of 30-60 minutes—perfect for a night of puzzle solving.

THE ONLY WAY TO ESCAPE IS TO WORK TOGETHER

Two minds are better than one, and the only way you'll be able to crack the Cryptic Killer's codes is by working together. Through separate screens, you and your friend will each be given half of a puzzle at each location. Communicate, collaborate, and work together to push your puzzle-solving skills to the limit.