M-CODE

Content rating
Everyone
100+
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Content rating
Everyone
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About this game

In 1977 NASA launched Voyager 1 on its never-ending journey.
But in 2067 Voyager 1 stopped responding, and NASA considered it lost.

Years later, NASA engineers found an unknown device, similar to Voyager 1's digital tape recorder. The device, built from Voyager 1 parts, was not made on Earth. It is a kind of puzzle, teleported to Earth by unknown extraterrestrials.

Now you have the chance to solve the puzzle — and to see what they want us to see.

HOW IT PLAYS
• The device's round screen shows a space image, scrambled by a hidden sequence of steps
• Guess, memorize and repeat the sequence — the controls surface from a pool of molten gold
• Three mistakes reset the attempt; accuracy and speed earn a perfect 1000
• Every perfect level reveals a piece of the big picture
• Reveal everything to decode the final transmission

FEATURES
• 60 levels across four control types: arrows, colors, letters and alien icons
• Completely free — no ads, no purchases
• A story with a real ending
• Rebuilt for modern Android
Decode the alien transmission — a memory puzzle in 60 levels. Free, no ads.
Updated on
Aug 2, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
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What’s new

- remove ads feature