mossyrune

Practice any language without textbooks. Immersive 3D games to make practice fun, tools to visualize grammar, and 3,645 languages to explore.

explore 3,645 languages

Explore, practice, and remember every language we could find.

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

01 Play

Play is coming soon.

02 The Workshop

See every language from every angle.

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
🌍
The Map
All the languages we cover on a living globe, filterable by family, script, or typology.
📖
Grammar walkthroughs
Languages with fully glossed lessons and cultural context.
🧩
Sentence builders
Interactive wheels that show how meaning gets encoded differently across languages.
⚠️
Error gravity
Which mistakes break communication, which just sound foreign, which go unnoticed.
📚
Textbook vs. Reality
How people actually talk, not how the textbooks say they do.
🌉
Language bridges
How the languages you already know connect to the one you want next.

03 Your Notebook

Build your own language notebook.

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

📌
Pin vocabulary
Save words, phrases, and notes per language.
📊
Study tracker
See your progress, streaks, and time spent across every language.
💬
Saved conversations
Every game conversation is saved automatically so you can revisit and study what you said.
🧱
Custom widgets
Organize your notebook the way you want — drag, drop, and arrange anything.

Also here

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