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CosyKiller: For the Armchair Sleuth.

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$30.26 $44.5 In stock

Ever wanted to solve a murder? This murder mystery experience brushes up your sleuthing skills while immersing you in a complex world of puzzles, ciphers, suspects, and backstories - there’s even a few false leads to throw you off the trail. Each box is packed with vintage memorabilia, keepsakes...and intrigue.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.4 / 5 · 5 reviews)

George ★★★★★

I love how the suspect backstories are woven into the puzzles—it makes you feel like a real detective piecing things together. The final solution caught me off guard in the best way.

Madison ★★★★★

The suspect backstories are so richly detailed that I found myself genuinely second-guessing my own deductions halfway through—it’s rare for a puzzle game to make me feel that invested. The cipher work was challenging but fair, and I loved how each clue tied back to the larger mystery. Finished it i

Olivia O. ★★★★★

Finally, a murder mystery that makes you work for it instead of just reading along. The ciphers and layered suspect backstories kept me glued to my desk for two evenings straight.