Murder / Hidden lives · The launch case
When You Hear My Voice
An online murder mystery for one or two adults. Examine messages, photographs and recording transcripts to test the accounts of a death at Halcyon House.
Coming back tomorrow? Continue here in the same browser to pick up where you left off.
At nine, everyone heard Jonah’s voice. Twelve minutes later, they found him dead.
Solo or together.
12 months of access · Unlimited replay · 14-day refund promise
- Players
- 1–2 players · one screen
- The case
- 19 records · 4 acts
- Play your way
- No enforced timer · optional hints
- Format
- Plays on phone, tablet or laptop
Content note Adult themes: murder, coercive control and intimate-partner abuse. No graphic descriptions or imagery. Fictional characters and events.
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Already bought it? Reopen your case
Email links work once and expire after 20 minutes. Your purchase gives you 12 months of access. Request a fresh link here whenever you need one during that time.
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One complete mystery. £9.99 per case, not per player.
The people of Halcyon House
Five people.
Different accounts.
Meet the people at the heart of the inquiry. Portraits are reconstructions.
The story
Everyone heard him. Nobody saw him.
At 20:52, archivist Mara Vale messages from a locked room: someone has trapped her inside. Eight minutes later, her husband’s voice comes through the speakers at Halcyon House. By 21:12, he has been found dead in his workshop.
Examine the messages, recording transcripts and private arrangements behind the reopening. Work out what happened between the voice everyone heard and the man nobody saw.
Follow the records through 4 acts, compare the accounts and make an accusation the evidence supports. You can change your mind as the picture develops.
Inside the file · Act I
Six messages.
A door that
won’t open.
At 20:52, Mara asks Eli to come quietly. Within a minute, she’s pleading with him. Read the exchange. What does it establish—and what are you taking on trust?
These are the opening messages from When You Hear My Voice. Piece them together with witness accounts, dated records and recording transcripts as the investigation unfolds.
How you’ll investigateThe whole investigation
All the evidence.
Your own conclusion.
Each case is an authored story with a complete ending. Read at your pace, keep notes if you like, and open a hint when you need one.
Devices, saving and practical help- 19 case recordsMessages, accounts and documents to examine.
- Record comparison & notebookKeep the details close while you work out your theory.
- Optional hintsGet a direction without jumping straight to the answer.
- Save in this browserReturn on the same device and browser when storage is available.
Do I need to print anything or install an app?
No printing or app installation is needed. Play in your browser on a screen you can read comfortably. Play on a phone, tablet or laptop. A larger screen can be easier to share. No costumes or host are needed.
Can I play these detective games solo?
Yes. When You Hear My Voice can be played solo. Every record is available to you, and you can examine the evidence, keep notes and reach your own conclusion.
Can two people play together?
Yes. Two people share one screen and investigate the same case. Play with a friend or partner, compare your theories and decide what the evidence supports. The games do not provide remote multiplayer or separate synced screens.
What if we get stuck or need a break?
Optional hints offer a direction when you need one. There is no enforced countdown. Progress saves in the same browser when storage is available; it does not sync to another device.
Can I return tomorrow, or if my email link expires?
Choose Continue your case near the top of this page. If access is missing, request a fresh link with your checkout email. Email links work once and expire after 20 minutes. A purchase gives you 12 months of access with unlimited replay for one or two people sharing a screen. If the case is not right for you, our 14-day refund promise applies in addition to your statutory rights.
How much is a case?
The Shortest Day is free. When You Hear My Voice and Everything Went to Plan are each £9.99 per case, for one or two people sharing a screen.
From the Case & Candle casebook
Another mystery awaits.
Coming soonThe Last MessageThe next file stays sealed. More to be revealed.Case locked