Galena — Grant's Forgotten Ledger
Decipher the secrets of Ulysses S. Grant's hidden ledger, exposing scandals and decisions that shaped a Civil War hero into president. Solve the mystery before it's lost forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1865, as Civil War hero Ulysses S
Galena — Grant's Forgotten Ledger
You are a Union Army intelligence operative, sent to Galena in 1865 to locate a crucial missing ledger belonging to General Ulysses S.
Grant. Your mission takes you through the Historical District Gal
Discover Galena, Illinois, where the echoes of the 18th President of the United States, Ulysses S. Grant, still resonate in the cobblestone streets and historic buildings.
The story that haunts this land
Your quest for Grant's forgotten register begins at Grant Park, a green space along the Galena River, a typical starting point for walking scavenger hunts in Galena's historic district. This park, located near 1008 Park Ave, Galena, IL 61036, is mentioned in Galena scavenger hunts and is associated with scenic challenges and historical trivia. It is here, in the heart of the city, that the first clues are revealed, immersing you in the atmosphere of Ulysses S. Grant sites and Galena walking tours. Illinois heritage unfolds from the first steps of this Galena visit, offering a rich introduction to Galena's history.
Continue your investigation to the Old Market House State Historic Site, a 19th-century building linked to local commerce, serving as a typical narrative landmark for Grant-themed walking games. Located in downtown Galena, this State Historic Site is about 1.5 km from Grant Park, a walking distance that enhances the interactive Galena visit. This Illinois monument, explored in the Historical District scavenger hunts, holds architectural challenges and trivia that bring you closer to the secret of the register. Discovering Galena as a family takes on an educational and fun dimension here, combining a Galena treasure hunt and historical exploration.
Your path then leads you to the DeSoto House Hotel, a historic hotel on Main Street, dating back to 1855. This iconic building in the historic district had the honor of hosting Ulysses S. Grant himself, making it a key location related to Galena's political history in the 19th century. Walking tours often include this stop, and for you, it represents a crucial step in unlocking information about Ulysses S. Grant sites. The architecture of this building, visited during walking tours, provides visual clues for your GPS treasure hunt.
The Ulysses S. Grant Home State Historic Site is the former residence of the 18th American president, located in the historic center of Galena. This key site linked to Grant, near the starting point of Grant Park, is a must-see on Galena trolley tours and walking circuits. By exploring this house, you delve directly into the life of the general after the Civil War, collecting fragments of his past that will help you piece together the puzzle of the register. This step is essential to understanding his role in Galena's history and the Illinois heritage he left behind.
After exploring the Illinois monuments and deciphering the puzzles of the Illinois thematic circuit, you will have a deep understanding of the city and its connection to Ulysses S. Grant. From the Galena Public Library, a Greek-style building used for architectural challenges, to the Corwith Building, a historic brick building on Main Street, each site has contributed to your investigation. This route will have allowed you to see Galena from a new perspective, not just as a collection of buildings, but as a living canvas where history takes shape. This Galena outdoor escape game leaves you with the satisfaction of having solved a mystery and a rich knowledge of Galena's heritage.
A game, a guided tour and a heritage guide — all in one
You're not just buying an escape game. You're carrying a living guide — historical anecdotes, forgotten legends, key monuments, hidden architecture — unfolding as you go.
At each stop, places ordinary guides miss — secret façades, sculpted crests, alleys steeped in history.
Every riddle is rooted in a real historical fact or local legend. You leave with dozens of stories to tell.
Learn to read buildings — flamboyant Gothic, Baroque, Art Deco — like a real art historian, while having fun.
Walk through the city like a novel's character — every alley becomes a stage, every square a theatre.
A voice walks with you at every step, tells the story of each place, reads clues, adds a cinematic feel.
Keep access to the guide & game for 1 year. Come back any time, share it with friends.
« You will not leave this city the way you entered it. »
How does it work?
Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.
No app to download. Play directly from your browser. Guided step by step, at your own pace.
One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.
Point your phone at the façade: a historical character appears and speaks to you in your language. Golden letters magically write themselves on the wall to reveal the puzzle answer.
Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.
French, English, German, Spanish, Italian + 27 other languages auto-translated by AI.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
The Route
8 stages through the city
The gameplay: AR, camera, hidden clues
At each stop, open your phone camera: an augmented reality character appears on the façade and speaks your language. Hunt the clue — it materializes as golden letters on the real wall or floats in front of you. When you find it, the phone vibrates, an AR chest opens and reveals your answer fragment. 8 stops, 8 clues to find with the camera, 1 final code.
The stops on your route are a surprise. You'll discover them one by one, guided by your phone, starting from the meeting point.
How does it work with a group?
One phone = one team. Pick the number at checkout (1 to 10).
Solo, or a group sharing the screen. One team, one code.
Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.
Friends, bachelor/bachelorette, small office outing — each their own code, each plays at their own pace. Tiered pricing then €6 flat per phone from the 6th.
- ✓All codes are independent — play at the same time OR separately, each team advances at its own pace.
- ✓Leaderboard between your teams + global game leaderboard — each score appears in the public ranking.
- ✓More than 10 phones or need a personalized quest? Discover custom tours.
Ready to live this adventure?
Get my code · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Urban Exploration
Discover the architectural charms and historic alleys of Galena that shaped Ulysses S. Grant's life before he became a national figure.
Fragments of a Life
Uncover the secrets of a man who preferred action to words, through subtle and personal clues hidden in the places he frequented.
Journey Through Time
Immerse yourself in the 19th-century atmosphere of Galena, a town frozen in time, which saw the birth of one of the greatest leaders of the United States.
The destiny of a nation sometimes rests on the humblest shoulders.
Ulysses S. Grant
9 features nobody else has
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
AR treasure chest
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
AR narrator character
Point your phone at the façade: a knight, witch, monk, sailor, detective or ghost appears full-screen and speaks to you in your language with their dedicated ElevenLabs voice (each character has their own unique voice) — your living guide.
Magic golden letters
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
Written + audio narration
Every puzzle available as text AND voice-over: read at your own pace or listen eyes-free while walking. Great in groups and for accessibility.
360° radar + vibration
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Heritage storytelling
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
Progressive AI hints
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
AR selfie memento
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
Zero app to install
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
Frequently asked questions
Q01Do I need to download an app?
No, never. You get a link, you click, it plays in your browser. That's the point of a PWA: same as an app, without the hassle.
Q02Does it work offline?
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
Q03How long does a game take?
1 h 30 to 2 h 30 depending on your pace. The timer runs but only for the leaderboard — you play at your own tempo.
Q04What happens if I'm stuck?
You get 3 levels of hints per puzzle (increasing penalty). If truly stuck, you can skip the step (45-min penalty but you keep going).
Q05What's the age range?
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Q06What if my city isn't in the catalogue?
Pre-register or contact us — we'll email you as soon as your city is live.
Q07What is augmented reality exactly?
Point your phone at the façade: a historical character appears full-screen and speaks to you in your language. At the puzzle climax, golden letters magically write themselves on the real wall — that's your answer. After each puzzle solved, a treasure chest floats in front of you. Seeing is believing.
Avis des aventuriers
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Your turn to play
Discover Galena, Illinois, where the echoes of the 18th President of the United States, Ulysses S. Grant, still resonate in the cobblestone streets and historic buildings.
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
🔒Secure payment · Code in 5 min · Free cancellation
🪙+24 TripCoins granted with your booking
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