Unsolved Case is a free co-op puzzle game for iPhone that takes players on a thrilling journey to solve the mystery of the Cryptic Killer. Developed by Eleven Products Sp. z o.o., this game serves as a prequel to the popular 'Cryptic Killer' series.

In Unsolved Case, players team up as detective duo Old Dog and Ally to unravel the twisted puzzles and challenges laid by the infamous Cryptic Killer. With separate screens, each player receives half of a puzzle at each location, requiring effective communication and collaboration to crack the codes and find a way out.

This free game offers a taste of the mystery to come in the 5-part Cryptic Killer series. Explore hand-illustrated noir-inspired environments, combine your knowledge to solve challenging puzzles, and get creative by drawing on the screen to take notes. Can you crack the Unsolved Case of the Cryptic Killer?