Cosykiller is not just a subscription box! Cosykiller is a storyline — with each box packed with clues, keepsakes, ciphers, and mementos to review and unravel to solve a murder.
Cosykiller is not just a subscription box! Cosykiller is a storyline — with each box packed with clues, keepsakes, ciphers, and mementos to review and unravel to solve a murder.