The Lost Ledger ✧

Six mysterious lands. Eighteen commerce puzzles. One legendary treasure.

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XP earned0

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Gold coins50

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Seals found0 / 6

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Play Commerce Quest as an appAdd it to your home screen and play offline after the first visit.

YOUR JOURNEY

Treasure map

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Quest progress0 / 18

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The Great VaultCollect all six seals to enter

🔒 Finish each challenge to reveal the next part of the map.

BRIHANTRA LABS ✦ Intelligence by DesignChecking connection · App readiness

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WELCOME, EXPLORER

Your adventure starts here

Enter your name to begin hunting for the missing pages of the Grand Commerce Ledger.

Explorer name

Your progress is saved only in this browser, not on a school server.

HOW TO PLAY

Learn commerce by exploring

Your mission is to collect six golden seals and unlock the Great Vault.

🗺️Follow the map

Unlock three puzzles in each land. Your next stop is always highlighted.

🧩Play to learn

Crack locks, match clues, arrange records, and choose smart business moves.

💡Ask for hints

Use a hint when you are stuck. It costs 10 gold coins, once per puzzle.

🏆Claim your treasure

Earn XP, collect seals, and print your completion certificate.

This demo keeps progress on the current device. It does not use online accounts, collect personal data on a server, or sync across devices.

COMMERCE QUEST APP

Install on your phone

Open this page in your phone browser and choose Add to Home Screen.

Installation requires HTTPS hosting. Once opened online, the game can work offline on supported devices. Progress remains on this device.

KEEP YOUR TREASURE SAFE

Back up your journey

Save a private backup file containing your local explorer names, completed missions and earned rewards. Restore it on another device or after clearing your browser.

⬆ Restore a backup

Keep the file private. It contains player names and progress. Restoring replaces existing local progress on this browser after confirmation. This is not an online account or cloud backup.