Secrets of the Sphinx Voage is a free 45–60 minute augmented reality hunt that transforms World Europa into a living puzzle. Guided by the cryptic narrator Nefertari, players descend from Deck 20 to Deck 5, using their phone to scan landmarks, align shadows, solve 3D puzzles, and uncover hidden details about the ship's engineering, venues, and craftsmanship. Each completed trial reveals a letter, collect all six to crack the final Cryptex. Along the way, earn real coupons at partner venues like the Panorama Lounge and Jean-Philippe Café. It’s not about fiction it’s about finally seeing what’s been in front of you the whole voyage.

Trezio transforms this iconic French castle into a living immersive experience. 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.


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.
Find it on the App Store or Google Play to access all available experiences.
Search by name or location to unlock the adventure.
Arrive at the castle and let the app guide you through the clues, challenges, and surprises waiting inside.
Every adventure brings people together. Here's a glimpse of the excitement captured during our live experiences.




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