An old terminal in an abandoned office is still on, long after everyone has left. Why is ECHO-7, a cryptic AI, still running? Why does it want you to play? Twist strange rules and chain letter combos in a word roguelite where every run feels one step away from revealing something bigger.

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Download LEXICON Demo

This game is not yet available on Steam

Planned Release Date: Q1 2027

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About This Game

Somewhere in an abandoned office, an old terminal is still on. Sit down and a word game flickers to life. Simple enough. Build a word, score some points, play another round.

But the longer you play, the stranger it gets. Explore forgotten terminals, uncover hidden patterns, sift through corrupted files, and solve puzzles that twist familiar rules into something unsettling. Symbols shift. Meanings change. And ECHO-7, the AI still running inside the machine, keeps you company between rounds. You’re not sure that’s a good thing.

Every puzzle reveals a fragment of a larger story. The question is whether you really want to know how it ends.


Between runs, step away from the screen and explore the office. It’s still full of the things people left behind: a rotary phone, a combination padlock and clues that only show up if you know how to look. Inspect everything. Solve the puzzles. Piece together what this place used to be from Logs where the most important words have been redacted.


Build words to earn points. Easy, right? That’s only the beginning.

Protocols bend the rules of scoring. Maybe shorter words are suddenly worth more. Maybe any word with three or more vowels boosts your multiplier. Overrides go further, upgrading a letter everywhere it appears: on the board, in your Letter Bag and in every copy you pick up later.

Breaking protocol? That’s kind of the point.


The terminal has rules. Events are where you find the cracks.

Along the way you’ll run into events that don’t play fair. Some hide what they really want, so you’ll need to read between the lines. Some offer choices, but not every door is open to you. Others dare you to lock onto a signal or close a circuit in the Signal Lock and Circuit Connect minigames, risking it all for a bigger reward.

Every system has a weak spot. Find it.


Every run takes you across a new map of sectors, and each one pushes back harder than the last. Win or lose, the system is keeping score. Your Security Access Level climbs, and more of the terminal opens up. New puzzles. Tougher sectors. Pieces of the story you weren’t cleared to see.

System Requirements

Windows
macOS
    Minimum:
    • OS *: Windows 7,8,10, 11
    • Processor: Intel Core i3
    • Memory: 16 GB RAM
    • Graphics: OpenGL 2.1 compatible graphics card
    • Storage: 1 GB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • OS: 15.7.7 (24G720)
    • Processor: 2.6 GHz 6-Core Intel Core i7 | Apple Silicon
    • Memory: 16 GB RAM
    • Graphics: OpenGL 2.1 compatible graphics card
    • Storage: 1 GB available space