Kennesaw — Uncover the Last Assault Secrets
Decipher the hidden codes and stratagems of the Last Assault on Kennesaw Mountain. Outwit Sherman's spies, track forgotten signals, and expose the plot that halted his advance in this Civil War conspiracy.
📱 1 to 10 phones · 1 team per phone · Independent codes
June 1864: General Sherman’s Army of the Tennessee grinds toward Atlanta, but Kennesaw Mountain stands as the Confederate bulwark
Kennesaw — Uncover the Last Assault Secrets
You are a Confederate intelligence agent, Kennesaw, June 1864, tasked with uncovering a deep conspiracy within General Johnston's ranks.
General Sherman’s Army of the Tennessee gr
Sherman versus Johnston — total war against perfect defense
« The enemy's position was too strong to assault... I had erred in attempting to assault a fortified position. »— William T. Sherman, Mémoires (1875)
Sherman's Error
The 1864 Atlanta campaign pits two masters of military art: William T. Sherman, apostle of total war, and Joseph E. Johnston, virtuoso of elastic defense. Since May, Johnston has been retreating in good order before 100,000 Federals, turning each position into a deadly trap. At Kennesaw Mountain, he deploys 50,000 Confederates on a 10-kilometer front, entrenched behind abatis and red earth parapets.
On June 27, 1864, Sherman breaks his own doctrine of flanking movement. Convinced that Johnston has stretched his lines too thin, he launches a frontal assault on the heights of Pigeon Hill and Cheatham Hill. In one hour, 3,000 Northerners fall under Confederate crossfire. It's Sherman's bloodiest failure in Georgia — a lesson that will return him to flanking maneuvers until Atlanta. Johnston proves that a general can still stop a modern army through terrain science alone.
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
5-10 curated sites across the territory
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 · 14,90€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Authentic Battlefield Terrain
Walk the actual 1864 trenches, restored redoubts and paths used by Sherman and Johnston on this perfectly preserved battlefield.
Immersive Military Strategy
Analyze the generals' authentic tactical calculations, decrypt their battle orders and understand why the frontal assault became a massacre.
Unpublished Historical Documents
Use authentic telegrams, medical reports and war diaries to reconstruct the true chronology of the June 27, 1864 battle.
« Hell's half-acre »
Nickname given by Union soldiers to Cheatham Hill
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
Will you reconstruct the defensive plan that transformed a Georgia hill into a nightmare for 100,000 Northern soldiers? On the heights of Kennesaw Mountain, each trench tells the story of the day Sherman learned that even total war has its limits. Between Confederate entrenchments and war memorials, eight riddles will reveal why this battle marked a turning point in American military art.
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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