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NQR Labs

Where puzzles evolve, and mysteries are engineered

Build your skills, create new challenges, and reveal what hides beneath the surface. The CLU community hunts secrets together, experiments with story and signal, and pushes the craft of interactive mysteries forward.

The ARG Player's Handbook

A Guide to Navigating Worlds Hidden in Plain Sight.

What is an ARG?

Step through the door to puzzle-driven, interactive unfiction.

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Trailhunters 101

Stop watching recaps of finished games. Start catching ARGs while they're still breathing.

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Breaking the Loop

Escape ARG roadblocks when you're stuck in circles.

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ARG Glossary

Learn the common tongue of rabbit holes.

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More Chapters Ahead

New guides are in development. Bookmark this page and check back soon.

Player Tools

Discover hidden layers and sharpen your instincts.

Stegalex

Decrypt a classical cipher, such as Caesar shift or Vigenère.

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SpectroGhost

Hunt secret messages inside sound with real-time spectrogram exploration.

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ReSounder

Rebuild audio from spectrograms to test hidden sound puzzles.

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Lucyra

Inspect an image for invisible-ink clues using this digital forensic flashlight.

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Ghostmark

Uncover images inside another hidden with Ghostmark.

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GlyphGrid

Crack cryptograms with intelligent mapping and visual letter tracking.

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Liminala

Read and edit metadata of images and audio files.

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Qridian

Read QR codes (or create them) on your desktop.

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Carbbels

Experiment with anagram layouts and spatial letter reasoning.

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WordFlux

Practice word pattern recognition and deduction with fast feedback.

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Zygnul

Experiment with generating static and animated glitch text.

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Apochron

Decode autostereograms into depth maps to reveal hidden 3D structures.

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More Tools Coming

We're building new instruments for your investigations. Stay tuned.

The ARG Cookbook

Design the mystery. Write the rules. Shape the impossible.

How Do I Build My Own ARG?

Hide the clues. Tell the story. Launch your first ARG.

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Trailheads & First Clues

Design an intro puzzle that hooks players, teaches your rules, and opens the door to your world.

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ARG Glossary

Learn the common tongue of rabbit holes.

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More Recipes Cooking

Fresh techniques are simmering in the lab. New recipes dropping soon.

Creator Tools

Hide meaning. Build mysteries. Shape the experience.

Stegalex

Encrypt text using a classical cipher, such as Caesar shift or Vigenère.

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NQR Labs Fonts

Download the free NQR Labs cipher fonts and drop them into your game, video, or puzzle today.

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WordLoom

Weave crosswords quickly for puzzle prototyping and clue delivery.

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SpectroGhost

Create spectrograms of audio ARG players can reconstruct with ReSounder.

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SonoGlyph

Embed visual art into audio spectrograms using spectral synthesis.

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Inknigma

Use this invisible inkpot to hide multiple clues in images with independent stego techniques.

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Ghostmark

Hide a secret image inside another using seeded LSB steganography.

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Liminala

Read and edit metadata of images and audio files.

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Veilocity

Write motion-defined text in noise that appears only while video plays and vanishes when paused.

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Stereonix

Turn flat 2D images or art into side-by-side 3D stereograms.

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Qridian

Create and check fully customized QR codes.

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Zygnul

Experiment with generating static and animated glitch text.

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Apoculus

Generate puzzle-ready 3D autostereograms in your browser.

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Apochron

Test autostereogram quality by decoding depth maps for verification.

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More Tools on the Workbench

New creation instruments are being forged. Watch this space.

Latest GitHub Updates

Recent GitHub activity from NQR Labs

This is where puzzle solvers and puzzle builders meet. Join the CLU community to collaborate on stories, ciphers, hidden signals, and new ways to reveal what should never be obvious at first glance. Learn. Create. Test ideas. Share discoveries. The rabbit holes go deeper when we explore them together.