The Secrets of Sphinx Gallery
Something ancient stirs beneath the polished floors of Sphinx Gallery. Nefertari, a guardian who has waited centuries for a curious soul like you, has hidden eight trials throughout the mall. Only those who truly look will unlock the Vault's secret. What awaits you: • Visit three partner shops — Discover the stories behind real products at Pharaoh's Jewels, Nile Kitchen, and Threads & Co. Complete their trials and collect exclusive coupons as rewards. • See the mall like never before — From the grand entrance to the skybridge viewpoint, you'll discover architectural details and hidden perspectives most visitors walk past every day. • Solve six clues — Each completed trial reveals a letter. Collect them all to unlock the Cryptex and claim your place among the Seekers. • Leave your mark — Capture a final selfie at the Grand Stage with a custom Egyptian-themed frame, then share your journey with the world.
Discover history through play
Trezio transforms this iconic French castle into a living treasure hunt. Through puzzles, storytelling, and augmented clues, visitors uncover stories that once defined the heart of the Loire Valley. It's more than a visit — it's an adventure that blends learning with exploration.
What makes this experience special
- Interactive Storyline - Follow a mystery built from real historical archives.
- Immersive Gameplay - Solve puzzles using your phone as your personal guide.
- Family-Friendly Adventure - Suitable for all ages and group sizes.
- Educational Impact - Learn about 15th-century inventions in a playful way.
- Rewards System - Complete challenges and unlock exclusive digital souvenirs.
How to play this experience
Getting started with Trezio is simple. All you need is your smartphone and a sense of adventure. Whether you're visiting with friends, family, or a school group, our app guides you step by step through puzzles, stories, and hidden discoveries at the site.
Steps:
Download the Trezio App
Find it on the App Store or Google Play to access all available experiences.
Select "The Secrets of Sphinx Gallery"
Search by name or location to unlock the adventure.
Start Your Journey
Arrive at the castle and let the app guide you through the clues, challenges, and surprises waiting inside.
See the experience in action
Every adventure brings people together. Here's a glimpse of the excitement captured during our live experiences.
What visitors are saying
Organizations across Europe are already using Trezio to engage more visitors and create lasting memories.
"A perfect mix of history and fun! My kids couldn't stop talking about the hidden room challenge."
Claire M
"This brought the castle to life in a way we've never seen before."
Julien & Marie
"Loved the mix of riddles and local stories. Can't wait to try the next one!"
Sophie L