Cryptic Killers vs Unsolved Case Files: The Amazon UK Giants Compared
Search "murder mystery game" on Amazon.co.uk and these two evidence-folder brands fill the first page. They look interchangeable; they aren't.
Both brands sell the same fantasy: a cold case lands on your kitchen table, you spread out the evidence, and by the end of the night you've named a killer. Both are one-evening games, both are checked online, both cost less than a takeaway for two. The differences are in structure, polish, catalogue depth and a few pounds of price — and depending on what you want from the evening, either one can be the right call.
At a glance
| Cryptic Killers | Unsolved Case Files | |
|---|---|---|
| Format | Single-envelope cold case: printed evidence, clues to cross-reference, solution checked online | Single-box cold case dossier; three staged objectives with sealed envelopes and online answer checks |
| Typical UK price | ~£15 per case; often discounted | ~£10–£19 per case depending on title and discounts |
| Players | 1+, best with 2–4 | 1+, best with 2–4 |
| Playtime | Roughly 1.5–3 hours | Roughly 2–4 hours |
| Difficulty | Moderate; one open puzzle, so pacing depends on your table | Moderate; objectives break the case into checkable stages |
| Replayability | One play; re-boxes cleanly to pass on | One play; re-boxes cleanly to pass on |
| UK availability | Excellent — an Amazon.co.uk staple, also via UK toy retailers | Excellent — dedicated Amazon.co.uk storefront, large catalogue |
Format and structure
Unsolved Case Files structures the night for you. Every case runs through three objectives — clear the wrongly accused, identify the real killer, prove it — and each success unlocks a sealed envelope of new evidence. The website tells you immediately whether your answer is right. It's the closest the genre gets to a guided tour, and it's why the brand converts so many first-timers.
Cryptic Killers is flatter and more open: you get the whole case up front and work the evidence however you like, checking your final solution online. Some tables love that freedom — it feels more like actually being handed a police file — but it puts the burden of pacing on you. A sharp group romps through; a tired one can circle the same three statements for an hour.
Price and value
There's little in it. Cryptic Killers cases hover around the £15 mark and are frequently discounted ; Unsolved Case Files spans roughly £10–£19 depending on the title . Both are among the cheapest boxed mystery nights in the UK. If you're buying several for a party or a mystery-loving family, watch both brands' multi-buy and lightning deals — the effective price per case drops fast.
Players and playtime
Identical positioning: both play solo, both are marketed at date nights and party groups, and both genuinely work best with two to four people around a table. Unsolved Case Files runs a little longer thanks to its staged structure; Cryptic Killers is the quicker night, which makes it a good warm-up or second case.
Difficulty
Neither will trouble an escape-room veteran, but they fail differently. Unsolved Case Files can't really stall — if you're wrong, the website says so and you re-examine. Cryptic Killers has no intermediate checkpoints, so a wrong theory survives until the final reveal. That makes it feel slightly harder in practice, even when the underlying deductions are comparable.
Catalogue and presentation
This is Unsolved Case Files' clearest win: a deep catalogue (well over a dozen cases, including easier 12+ "junior" style cases alongside the 14+ core line ), consistent production and a familiar structure across every box, so a returning group knows exactly what they're getting. Cryptic Killers has a smaller range — Murder of a Millionaire is the usual starting point — with production that's decent for the price but a notch below on paper stock and photo quality .
UK availability
Happily, this comparison has none of the import anxiety of our Unsolved Case Files vs Hunt A Killer head-to-head. Both brands run proper Amazon.co.uk storefronts with Prime delivery, and Cryptic Killers also turns up in UK toy and gift retailers . Stock on individual cases fluctuates around Christmas — if a specific title is the draw, buy early rather than betting on December restocks.
First case-file night, or buying for a group of mixed ability: Unsolved Case Files. The objective structure and instant answer checks make it the most reliable fun in the genre.
On a tight budget, or buying a second and third case: Cryptic Killers. It's a few pounds cheaper, quicker to play, and the open format is a nice change once you know the formula.
Want a premium UK-made case night instead? Cases & Clues House pick sits above both on price (~£24 ) — a case file folder with digital evidence (unlockable phones, real websites) and a 60-day money-back guarantee — see our honest self-review before deciding.
Frequently asked questions
Are Cryptic Killers and Unsolved Case Files the same game?
No — they're rival brands with the same basic idea: a folder of printed evidence and a killer to identify. Unsolved Case Files is a US brand with a large catalogue and a staged three-objective structure; Cryptic Killers is a smaller, cheaper range sold heavily on Amazon UK and typically solved in one open sitting with an online solution check.
Which is better for a first murder mystery night?
For most first-timers, Unsolved Case Files: the objectives pace the evening and the online checks stop the table stalling. Cryptic Killers is the better pick if budget is the priority or you want a cheap follow-up case.
How many cases does each brand have?
Unsolved Case Files has one of the deepest catalogues in the genre — well over a dozen cases. Cryptic Killers has a smaller but growing range, including Murder of a Millionaire, Murder of a Musician and other themed cases.
Keep investigating
- Cryptic Killers review — the full brand test
- Unsolved Case Files review — case-by-case notes
- Printable vs boxed case files — is a £9 PDF actually better value?
- Best murder mystery case files in the UK — the full ranking