mossyrune

Explore 3,645+ languages through interactive maps, grammar comparison, typology tools, and more

You've uncovered a few writing systems. Keep going, there's much to learn.

01 Play

Play is coming soon.

02 The Workshop

A workshop for learning how a language works, with as many angles on a language as we could build.

▎ Six ways to look at a language

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The Map

All the languages we cover on a living globe, filterable by family, script, or typology.

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Grammar walkthroughs

Languages with fully glossed lessons and cultural context.

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Sentence builders

Interactive wheels that show how meaning gets encoded differently across languages.

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Error gravity

Which mistakes break communication, which just sound foreign, which go unnoticed.

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Textbook vs. Reality

How people actually talk, not how the textbooks say they do.

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Language bridges

How the languages you already know connect to the one you want next.

03 Your Notebook

A private study space that grows with you, pinned to every language you're learning.

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Pin vocabulary

Save words, phrases, and notes per language.

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Study tracker

See your progress, streaks, and time spent across every language.

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Saved conversations

Every game conversation is saved automatically so you can revisit and study what you said.

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Custom widgets

Organize your notebook the way you want — drag, drop, and arrange anything.

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