Included free with every game

Every game now comes with its own app

Send cinematic invites, hand every guest a secret script on their phone, and let the app cast the killer.

See how it works

The Kit

What's In Your Digital Kit

Character GuidesA booklet for every suspect — secrets included
Host Guide BookletStep-by-step hosting, zero prep stress
Detective Audio & VideoThe Detective sets the scene for you
EvidenceClues to reveal round by round
Costume SuggestionsDress the part, effortlessly
Invitation BookletsSet the scene before the night
Everything in your kitEverything in your kit

The Guest List · Poison on the Northern Express

Meet the suspects

Every guest becomes a character. Choose your edition by how many join the party — the bigger the night, the deeper the cast.

4–8 Players The core cast — in every edition

4–14 Players More guests join the party

Unlocks with 4–14 & up

4–20 Players The full house

Unlocks with 4–20

Want every suspect at your table? Pick the 4–20 edition.

Poison on the Northern Express

Dearest Festive Friends,

PolaRail are proud to present our festive spectacular ‘Next Stop, Christmas!’ our fun-filled family day out aboard our most popular steam locomotive - The Northern Express- complete with a special guest who just might be handing out pressies to those on their best behaviour!

You have been specially selected to come with us on our maiden Christmas-themed trip due to your festive sounding name. Dare to guess how we found you? Social media, of course! And not only were you lucky enough to be chosen, but we can also let you in on a little secret – you’re on Santa’s Nice List! How great is that? We know that you’re going to have the best Christmas this year and by accepting this invite you’re going to get your festive season off to an unforgettable start!

Sincerely,
Santa’s Little Helper (aka Helen from PolaRail).

Game Length

Game Length

1.5 - 3.5 Hours

Difficulty

Difficulty

Medium

Game Setting

Game Setting

Northern Express Train

Character Genders

Character Genders

Flexible

Included free with every game

The murderer is chosen in secret. Even you won't know.

Every game now comes with its own app. Send cinematic invitations, hand every guest a secret script on their phone, and let the app quietly cast the killer.

Invites with their faces on
1The Invitations

Invites with their faces on

Cast your guests and the app sends each one a cinematic invitation — their character, their costume brief, and an RSVP that fills your table for you.

Every phone becomes a secret dossier
2The Green Room

Every phone becomes a secret dossier

Before the party, each guest steps into the green room — their character portrait, their backstory, their costume, and lines only they can see.

The app picks the killer — in secret
3The Reckoning

The app picks the killer — in secret

One tap, and someone in the room becomes the murderer. Only their phone knows. They read the guilty lines; everyone else plays it straight. Nobody can spoil it — not even the host.

Evidence, detective audio — and one final countdown
4The Investigation

Evidence, detective audio — and one final countdown

Tap-to-examine evidence lands each round, the Detective's recordings set the scene, and when it's time, a synchronized countdown unmasks the killer on every phone at once.

More ways to play

Dress the part

Snap a photo in costume and it becomes your character's face all night — in the parlour, on the ballots and at the reveal.

Capture the night

Every guest's photos and videos collect in one shared party album — to relive the morning after.

Detective or suspect

Run the night as the Detective, or play a character yourself and let the app's recordings narrate.

Crown the winners

Vote on the honours — Best Detective, Best Costume, Best Liar — and crown them together at the end.

Free with every gameNo app store — plays in any browserNo accounts or sign-upsHost in person or over video call

Host A Murder Mystery Dinner Party

How It Works

How it works — Choose Your Suspects

Suspects

Choose Your Suspects

Pick the game version that suits your guest list, whether you’re planning a small murder mystery dinner party or a larger Polar Express -themed gathering.

How it works — Send Invitations & Character Roles

Invitations

Send Invitations & Character Roles

Invite your guests and send each person their character details and costume ideas before the party begins.

How it works — Set the Scene

The Scene

Set the Polar Express Scene

Add dinner, drinks, costumes or decorations to create the perfect Polar Express atmosphere. Keep it simple or go all out.

How it works — Start The Case

The Case

Start The Case

Start with the Detective’s opening statement, then let guests introduce their characters, mingle, gossip and begin uncovering secrets.

How it works — Secretly Choose the Murderer

The Murderer

Secretly Choose the Murderer

After the first round, the murderer is secretly selected, meaning the mystery can unfold differently each time you play.

How it works — Investigate the Evidence

Investigate

Investigate the Evidence

Follow the host guide through rounds of motive, opportunity and method as guests question each other, reveal clues and try to catch the killer.

How it works — Accuse, Reveal & Award Prizes

Accuse

Accuse, Reveal & Award Prizes

Everyone makes their final accusation before the murderer confesses. End the night with awards for best detective, best costume, best performer or most suspicious guest.

Send a Masters of Mystery game as a gift — burgundy gift box with gold ribbon and wax seal

The perfect whodunit gift

Buying it for someone else? After checkout, send it straight to their inbox as a gift — with a personal message, scheduled to land on the big day. They open a cinematic reveal, unlock the game, and the night is theirs to host.

Birthdays, Christmas or a date night in — it arrives ready to play, with.

Enhance Your Polar Express Murder Mystery Dinner Party

Welcome to our dedicated section for all things murder mystery! Here, you'll find everything you need to create an unforgettable and immersive experience for your guests. Whether you're looking for menu ideas to tantalize taste buds, curated playlists to set the perfect mood, costume ideas to bring characters to life, or decoration tips to transform your space, we've got you covered.

Polar Express Party Music Ideas

Set the Scene with a Polar Express Dinner Party Playlist

Set the perfect holiday ambiance with our curated Polar Express dinner party playlist. Filled with festive tunes and magical melodies, this playlist will transport your guests to the heart of the Polar Express adventure.

Explore our Polar Express playlist:

View Polar Express Party Music Ideas

Polar Express Decoration Ideas

Transform Your Space with Polar Express Decorations

Transform your space into a magical winter wonderland inspired by the Polar Express. Think snowy scenes, twinkling lights, and jingle bells. Our Pinterest board is filled with enchanting ideas to create a festive and immersive atmosphere for your murder mystery party.

Get inspired with our decoration ideas:

View Polar Express Decoration Ideas

Polar Express Dinner Menu Ideas

Delightful Menu Ideas for Your Polar Express Party

Delight your guests with a menu inspired by the Polar Express. From rich hot chocolate to holiday cookies and festive treats, our blog offers a variety of recipes to warm your guests' hearts and tummies.

Visit our blog for Polar Express menu ideas:

View Polar Express Dinner Menu Ideas

Shop the Feed

Discover videos from our players.

Hosted murder mystery event at a venue — commercial licensing

Running Mystery Nights for Your Business?

Planning to host this game at a paid or ticketed event, a corporate away-day, a pub or restaurant night, a team-building session — or anywhere it forms part of a business? You'll need a Commercial License.

It gives you the rights to run our mysteries for profit — at your venue, for your clients, or streamed publicly — professionally and fully covered. Add it to any game from £165. Already bought the game on its own? Purchase it again with the license and we'll refund your original order.

Explore Commercial Licensing

FAQs

Please read our FAQs page to find out more.

What is the best Polar Express murder mystery game?

A Polar Express-style murder mystery game delivers a magical blend of wonder, winter, and whodunit. Set aboard a mysterious holiday train racing toward the North Pole, this immersive experience invites players to don their pajamas, grab their golden tickets, and unravel a chilling mystery on the snowy rails. As passengers sip cocoa and share secrets, a shocking crime interrupts the journey—and everyone becomes a suspect. With charming characters, frosty twists, and a heartwarming-yet-suspenseful tone, this game is a standout choice for festive family parties, holiday game nights, or cozy winter celebrations.

Can I play this Polar Express murder mystery game with 10 people?

Yes – 10 guests is a perfect group size for this wintery train-themed mystery. The game’s standard version supports 4 to 14 players, offering flexible roles like ticket inspectors, enchanted passengers, mysterious travelers, and festive train staff. Each character is rich with motive and backstory, ensuring a lively and engaging experience for all. Whether your guest list grows or shrinks at the last minute, the structure adapts easily—making 10 players an ideal number for intrigue aboard the holiday express.

Is this Polar Express murder mystery game available for virtual play or in-person events?

Yes – this mystery game can be played in-person or virtually, offering flexibility for holiday plans. If you're gathering around a fireplace with cocoa or connecting friends and family via video call, the game transitions smoothly between both formats. Characters and clues can be shared digitally or printed for in-person use, and the charming train setting shines whether you're all in the same living room or dressed in robes and slippers online. It’s a magical experience no matter where your sleigh bells ring.

How long does it take to play this Polar Express murder mystery game?

Most groups finish the game in 1.5 to 3 hours. Smaller, focused groups can complete it in 90 minutes, while more theatrical players or those adding holiday snacks, music, or storytelling breaks may enjoy a full 3-hour evening. The game’s flexible structure allows the host to pace each round based on the vibe of the event. Whether you plan a quick cocoa-fueled mystery or a full evening journey to the North Pole, the timing adjusts to suit your itinerary.

What is included in the Polar Express murder mystery game kit?

Everything you need to host a magical murder mystery aboard the rails is included in this festive kit:


– A clear, easy-to-follow manual for planning, character assignment, and running the game like a pro conductor.


– Personalized roles featuring unique backstories, secrets, holiday dreams, and clues—perfect for kids, teens, and adults.


– Whimsical materials like missing ticket stubs, suspicious cocoa orders, magical maps, and journal entries revealed over the course of the game.


– Optional storytelling prompts to guide each round in the voice of a train announcer, holiday elf, or mysterious narrator.


– Themed invites that resemble train tickets, snowy postcards, or golden boarding passes to build anticipation.


– Suggestions for pajamas, conductor outfits, elf attire, and ways to create a train car vibe using simple décor and lighting.


– At the end of the journey, players cast their suspicions in a final round of deduction and cheer.

This kit transforms your party into a wintry ride of imagination and suspense.

Can I play this Polar Express murder mystery game more than once?

Yes – the game is designed to be replayable. Each time you host, the identity of the guilty passenger can be changed, allowing returning players to experience fresh outcomes and new twists. With rotating roles and dynamic clue sets, the story feels different every time, making it perfect for yearly traditions or holiday gatherings with new guests. Whether it’s your first ride or a repeat journey, the mystery always delivers holiday magic with a shadow of suspense.

What events or occasions is this Polar Express murder mystery game suitable for?

This themed mystery is perfect for any holiday event that embraces imagination, family-friendly suspense, and festive fun. Ideal occasions include:


– A unique alternative to movie night or gift games.


– Bonding fun for relatives of all ages during the holiday season.


– Great with cocoa, cookies, and slippers.


– Safe, structured fun that keeps older kids and teens engaged.


– Wholesome entertainment with a little sparkle of mystery.


– Brings long-distance families or friend groups together in festive detective mode.

Wherever you want to add storytelling, laughter, and sleigh bell suspense, this game fits the bill.

What is the recommended age group for this Polar Express murder mystery game?

This game is best suited for players aged 15 and up, however, depending on the group’s reading level and interest in deduction, younger audiences can get involved as well. While the mystery involves a (lightly handled) crime, the content is festive and age-appropriate, making it suitable for older kids, teens, and adults. It’s especially fun for multigenerational groups where grandparents, parents, and kids can all play together. For younger players, adults may help read clues aloud or guide the game. It’s a heartwarming mystery designed for holiday togetherness.

Do players need to dress up in costumes for this Polar Express murder mystery?

Costumes aren’t required—but they absolutely enhance the fun! Guests are encouraged to wear cozy pajamas, elf hats, conductor costumes, or festive accessories. Character briefs include styling tips to help players get into role, and even simple additions like golden train tickets, scarves, or reindeer slippers bring the snowy world to life. You could even host a pajama contest or “most magical passenger” award. Whether you go all out or keep it simple, dressing up adds to the whimsy and immersion.

Can I add more players or characters to this Polar Express murder mystery game?

Yes – the game can be expanded to include up to 20 players with optional character add-ons. New roles—such as enchanted passengers, toy-makers, mysterious holiday travelers, and train crew—are seamlessly integrated into the plot. Each character comes with their own motives and secrets that enrich the experience. Whether you’re hosting a small cocoa circle or a full family train car, the mystery stays well-balanced and fun. Simply select the expansion pack that fits your group size—up to 20 total characters.

Didn’t find your answer?

Don't hesitate to contact us