賭ける旅人

The Gambling Traveler — A Labyrinth of Probability Where Intuition is Betrayed.

Will you cross the crumbling suspension bridge? Which of the two doors will you open? From these three choices, which one truly deserves to be changed?

This is a new kind of score attack, combining dramatic two-choice scenarios that change with each stage with genuine probability paradoxes that mathematicians have grappled with.

[Main Features]

Realistic Stage Design
Each of the 11 stages—including suspension bridges, misty forest forks, old doors, abandoned cabins, forest fairies, moss-covered treasure chests, legendary swords, ancient Mouth of Truth, burning towers, Dragon's Mouth Towers, and Bayesian Sage's Trials—features unique two-choice scenes. Moonlight, moss-covered stones, misty forests, and crumbling debris are meticulously depicted. Each choice is not merely a matter of probability, but a scene in a story.

Authentic Probability Paradoxes
Monty Hall, the Two Envelope Problem, the St. Petersburg Paradox, the Gambler's Fallacy. Probability events that defy intuition are incorporated as stage mechanics. Simply playing allows you to experience why "changing is better," "folding is better," and "accepting is better."

Session Statistics and Titles
After each session, your tendencies as a "changer" or "standby" and whether you tend to go with the flow or go against it are tallied. The more you play, the more your mathematically rational decision-making becomes visible.

Bayesian Sage Finale
After defeating the boss, the sage analyzes your choice history. Declare yourself from one of six factions and earn bonuses by comparing them with the session statistics. Whether you match or not, you receive a self-discovery bonus.

Simple Controls
Play with just a tap. Suitable for short sessions or extended play sessions.

【Recommended for people who:】

Are interested in probability and mathematical paradoxes

Enjoy simple score-attack type games

Want to visualize their decision-making habits

Want to use their brain during their commute or other free time

【About In-App Purchases】

This app is free to play all stages. There are two optional in-app purchases:
- "Remove Ads" (¥250, one-time purchase, non-consumable): Completely hides banner and interstitial ads. Reward videos remain available.
- "10-Ticket Pack" (¥300, consumable): Allows you to accumulate up to 99 tickets, exceeding the software limit of 10.

Tickets can also be earned for free at a rate of +3 tickets per day / +1 ticket per reward video (once per day). Payments are processed by Google via Google Play Billing.

[Upcoming Updates]

Stage Challenge Mode (Clear records for fixed stage counts such as 10, 25, and 50 stages)

Expanded Monty Hall (5 doors, paid side mode)

Introduction of even more complex probability paradoxes