Play a Free Unsolved Case File Online: Flat 33

A man is found dead in Flat 33. Three suspects have questions to answer. The case was never solved. Can you work out what happened?

Flat 33 is our free unsolved case file game, playable online in your browser. Step into the Calderwick Police investigation system, listen to interview extracts, review CCTV and follow the evidence to a complete conclusion. It is a short introduction to Cold Case Inc, designed to give you a feel for our games before you choose a longer investigation.

Play Flat 33 for free →

Updated 24 September 2026. This article originally introduced The Final Fare as our free demo. Flat 33 is now our dedicated free case; the guide below has been rewritten for the new investigation.

What is Flat 33?

Kieran Daley has been found dead at Merebank House in the fictional town of Calderwick. You have access to the case file and a simple objective: establish who caused his death.

There are three suspects, but suspicion alone will not solve the case. You need to compare what people say with what the records show. An interview might send you back to a piece of footage. A detail in a message might make you search the building records. The answer comes from putting those connections together.

We have kept the investigation compact. Allow roughly 10–12 minutes, or take longer if you want to explore. There is no countdown, and no previous detective-game experience is needed.

A free detective game you can actually investigate

The experience takes place inside a fictional police computer system. You choose which files to open, pin useful evidence, compare records and keep your own notes as your theory develops.

The eight case records give you several different ways to investigate:

• Police interview extracts. Hear the suspects give their accounts, with written transcripts available to read alongside the recordings.
• CCTV footage. Review five clips, check the timestamps and replay movements that need a closer look.
• Phone messages. Examine conversations presented as messages on a phone, and consider how they fit with the other evidence.
• Council records. Search a fictional Calderwick Council housing register containing incidents and repair logs, including records for other buildings.
• Scene photographs and examination findings. Look at the physical evidence and read a forensic report presented as a case document.

You can explore the register beyond the first result or return to an interview after finding something new. That freedom to follow a lead is part of what we want you to experience. When you have a theory, submit your conclusion. If you get stuck, the built-in hints can give you a nudge.

How to play the free case file

1. Open the Flat 33 free case page. Read the introduction and enter your name and email address to request access.
2. Check your inbox. Follow the private sign-in link in your email, then select “Enter Flat 33” to open the investigation.
3. Explore the evidence. Start with the case brief, then work through the files in the order that makes sense to you.
4. Make your decision. Compare the suspects’ accounts with the evidence and submit your conclusion when you are ready.

There is no checkout, no payment and no card information to enter. Guest access does not create a shopping account. Signing up for case news and offers is optional, and you can play without subscribing.

Already signed into a Cold Case Inc customer account? The free case page also provides a route into Flat 33 for you.

Why we made a short, complete case

It is difficult to know whether an online mystery is your kind of game from a cover image alone. We wanted you to be able to try the investigation system, hear an interview and make a few discoveries for yourself.

Flat 33 gives you that experience without asking you to set aside a whole evening. It has its own mystery and ending, so you can finish with an answer. You do not need to buy another case to discover the solution.

Our full unsolved case files offer longer investigations with more evidence to explore. Flat 33 is a small taste of the way those games work: examine the records, question an account and decide what the evidence supports.

Questions before you start

Is Flat 33 really free?
Yes. Access to the complete Flat 33 investigation is free, including its conclusion. An email address is needed for guest access; a purchase is not.

Do I need to download or print anything?
No. The game runs in your browser. You can play on a computer, tablet or phone, although a larger screen gives you more room to compare evidence. Interview transcripts are available if you cannot use sound.

Can we play together?
Yes. Play solo, or share a screen with a partner or friends and talk through your theories. You do not need to act out characters or organise a murder mystery party.

Is this a real crime?
No. Flat 33 is a fictional detective game. It includes references to death and assault, with some blood visible in scene imagery, so bear that in mind when choosing who to play with.

Ready to open Flat 33?

Three suspects. A file of conflicting accounts. Enough evidence to reach an answer, if you can connect it.

Open your free case file →

Already solved it? Choose your next investigation, or use our case finder quiz to narrow down the full games.

Where to go after Flat 33

If this is your first digital case, our introduction to playing case files explains the wider format. To see how the full investigations differ from downloads, read Not Just a PDF. Explore the full brand through Cold Case Inc’s Unsolved Case Files Online.