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vesper

A free puzzle game — play it in your browser, no install. VESPER — a cryptographic alternate-reality game built with Next.js. Decode a chain of ciphers to reach a derelict listening intelligence. Play it live: https://vesper-chi-gold.vercel.app

by @jakethehoffer · jakethehoffer/vesper on GitHubLANG TypeScriptHOSTED ON VESPER-CHI-GOLD.VERCEL.APPUPDATED 2 Jul 2026

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Controls: Start at / · Talk to VESPER — try listen

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From the README

A cryptographic alternate-reality game. A derelict listening intelligence at the abandoned Stillwater Archive has been looping a three-word message into the dark for decades. Tonight, for the first time in longer than its records can count, someone is listening back — you.

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