The Gala Gone Wrong
A high-society charity gala ends in scandal when the host is found… unalive. Can your guests crack the case before the killer strikes again?
An immersive whodunnit experience
Murder Mystery Nights at True Scale USA
Step onto a 1,200-square-foot LED floor and into a live crime scene. Clues light up beneath your feet, suspects roam the room, and your guests become the detectives.
Coming up next
Murder Mystery Event … In Space!
Benefiting The Child Advocacy Center of Northeast Missouri
Date
Thursday, August 6th, 2026
Time
Doors open at 6:00 PM
Location
True Scale USA · 1607 E. Terra Lane, O’Fallon, MO 63366
Admission
$65 per person
Space is limited — get your tickets fast!
Includes
Food & drink included
Beneficiary
The Child Advocacy Center of Northeast Missouri
In partnership with inCahoots
Ask about sponsorship opportunities when you book.
What to expect
A night of suspense, clues, and unforgettable fun.
Our murder mystery events blend live theater, escape-room-style puzzles, and party energy. Guests arrive as strangers and leave as co-conspirators — or the ones who solved it all.
Perfect for birthday parties, team building, fundraisers, or anyone who wants a night out unlike anything else.
Interactive Clues
Hidden evidence appears across the LED floor and projection screen, turning the entire room into your crime board.
Assigned Roles
Every guest gets a character. Suspects, detectives, and witnesses all play a part in solving the mystery.
Themed Atmosphere
Custom visuals, dramatic lighting, and curated soundscapes transform the space into a noir mansion, speakeasy, or gala gone wrong.
Choose your storyline
Featured Murder Mystery Themes
Speakeasy Secrets
1920s glamour, jazz, and bootlegging. When the club owner disappears, every patron has something to hide.
Whodunnit at the Manor
Classic mansion mystery with secret passages, inherited fortunes, and a family full of motives.
How it works
We handle the mystery. You handle the fun.
- 1.Pick your theme and event date.
- 2.We assign roles and send character hints to your guests.
- 3.Show up. Our host guides the investigation across the LED floor and projection screen.
- 4.Interrogate suspects, examine clues, and reveal the killer.
Typical Duration
3 – 4 hours
Group Size
8 – 40 guests
Location
1607 E Terra Ln., O’Fallon, MO