A murder mystery for the work Christmas party, without embarrassing anybody

The risk at a work party is not that the game is bad. It is that somebody is handed a card about an affair, or asked to do an accent in front of their manager, or accused of theft by name in a room of forty colleagues.

Written while building printable mystery games · updated September 2026

Office parties are the hardest room these games ever get played in, and most murder mysteries were not written for them. They were written for eight friends who chose each other. At a work party, people did not choose each other, the power differences are real, somebody is somebody else's manager, and the whole thing is a company event with a company's duty of care attached.

It is entirely doable. It just needs to be chosen against a checklist rather than a theme.

The seven things a workplace game must not contain

This is the list we wrote before designing ours, and then audited every character and every clue against:

1. No affairs, no romance between characters, no flirtation as a mechanic. Not between colleagues, not as backstory, not as a joke.
2. No card whose joke is on the person holding it. Nobody should be handed the character who is stupid, drunk, incompetent or pathetic, because a real person has to hold it in front of real colleagues and then go back to work on Monday.
3. No protected characteristics anywhere near a motive. Not age, not disability, not religion, not nationality, not anything that could map onto somebody standing in the room.
4. No real workplace grievances as plot. Redundancies, pay, bonuses and promotions are not entertainment when the room has just had a pay review.
5. No alcohol-dependent mechanic. A meaningful number of people at any work party are not drinking, and a game that assumes drinking excludes them.
6. No public accusation by name. Nobody should have to stand up and accuse a colleague out loud. Accusations should be written and secret.
7. No performance requirement. No accents, no costumes, no lines. A junior employee asked to act in front of the executive team is being asked to take a risk they did not sign up for.

A game that fails even one of these will produce exactly one memorable incident, and it will not be the one you were hoping for.

The logistics nobody warns you about

People arrive across an hour. Work parties do not start; they accumulate. Any game that needs everybody seated at 7:30 is already broken. You want roles handed out at the door for as long as people keep arriving.

People leave at unpredictable times. Trains, babysitters, the person who only came for the speeches. If any single guest is load-bearing, the game breaks when they go, and you cannot ask them to stay.

Half the room does not know the other half. This is the real opportunity. A game that gives people a reason to walk up to somebody from another floor and ask them a specific question is doing more for the evening than the plot is. Badges with names and department marks are worth more than any twist.

It will never be quiet. You will not get a silent room of forty people. The ending has to be an announcement that works over noise, fired on a clock time, not a hush that depends on everybody cooperating.

Somebody has to not be playing. Whoever is running the party is also dealing with the venue, the food and the person who has had too much. The game has to run itself.

What "safe" looks like structurally, not just tonally

Tone is easy to fake in a listing. Structure is not, and it is what actually protects people:

• Roles drawn blind, not allocated. If a host assigns characters, the host is responsible for who got the unflattering one. If they come out of a bowl, nobody chose.
• Every card true, nobody lying. Asking colleagues to deceive each other, even in fun, has a different texture at work than it does at a dinner party.
• Nobody knows they are the culprit. This one matters enormously at work. If no player knows, then no player can be blamed for giving it away, and nobody spends the evening being watched by their colleagues. The person it turns out to be finds out with everyone else — and should get a prize for it, so the evening ends with them laughing rather than being looked at.
• Secret written ballots. No public accusations, ever.
• A documented plan for nobody solving it. At a work party, the room genuinely may not solve it, because the room is also a party. That has to be fine.

Sizing it

Most murder mysteries are written for 6 to 12 and stretched upwards. A room of twenty-five needs a different shape: a small core of people who were at the scene, a handful of key witnesses, and a large number of drop-in roles with a real job each. And the evidence has to come off the table and go on a wall, because at twenty-five people documents stop circulating.

Our office game is built to that shape: eight people who were below ground when it happened, six who saw something, twenty-six drop-in roles and spares, forty badges, twenty documents on the evidence wall, and three sealed envelopes that open on the clock. The accusation is a written ballot and there are six prizes, only one of which is for being right.

If you would rather not buy anything

Take our free four-player mini mystery, print four copies of the pack, and run four tables of four in parallel with the same case. It is written under all the same rules — nobody acts, nobody lies, nobody knows they did it, accusations are written — and four tables racing the same evidence is a genuinely good format for a small office of sixteen. It costs a printer cartridge and forty-five minutes.

Read next

• How many people do you need for a murder mystery party?

  Four can work, 8 to 12 is the sweet spot and above 16 it becomes a different event. What changes at each size, and what breaks at the edge of a game's range.

• Christmas party games for teens and adults in the same room

  Eight games that work in a room spanning three generations, four to avoid, the trick for running each one, and how to give a teenager a job inside the game.

• What goes wrong at murder mystery parties, and how to stop it

  Nine failure modes taken from real reviews — the host who cannot play, the answer on page one, type nobody can read, clues that lead nowhere — and the fix for each.