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kryptex

A free memory game — play it in your browser, no install. Neon arcade alien-cipher memory game for phones and browsers. Decode the signal. Make first contact.

by @kxz0tn · kxz0tn/kryptex on GitHubLANG JavaScriptHOSTED ON KXZ0TN.GITHUB.IOUPDATED 27 Oct 2026

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Controls: Tap two tiles. If the glyphs match, they stay decoded and your combo grows

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From the README

Decode the signal. Make first contact.

A portrait, classic-style neon arcade memory game for phones and desktop browsers.

A signal is coming from deep space. It is written in five alien languages nobody has read before. You are the decoder.

Flip the tiles, match each alien glyph with its twin, and the words light up on your star map. Decode every wave in a sector before the signal fades. Then answer the boss transmission and ring-jump to the next sector. Clear all five and you reach the Kryptex Core for First Contact.

KRYPTEX plays like an 80s/90s arcade cabinet.

Read the full README on GitHub →

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