Unboxing the Cryptic Killer

Here is an excerpt from Unboxing the Cryptic Killer's Steam description:

Unboxing the Cryptic Killer is the first standalone chapter 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.

Two seasoned detectives, Ally and Old Dog, are entangled in a chilling unsolved case. Lured on a perilous trail, they fall into the clutches of the enigmatic Cryptic Killer they've been relentlessly pursuing. The stakes are sky-high as two innocent lives hang in the balance. In order to save them, Ally and Old Dog must unravel a box of intricate puzzles masterfully designed by the nefarious killer. Test your mettle and join this high-stakes race against time, where every puzzle solved is a step closer to unmasking the Cryptic Killer.

THE ONLY WAY TO ESCAPE IS TO WORK TOGETHER

Unboxing the Cryptic Killer is a puzzle for exactly two players. The name of the game is collaboration. Each player takes on one of the two roles and works their way through a series of challenging puzzles. You'll each see one half of the same puzzle and must work together to crack the codes and escape the Cryptic Killer's clutches.