Learn Klingon with lingoXpress
Discover free resources, games, and courses to learn Klingon.
Language Games
Practice Klingon vocabulary with 12 free games at every level — highlights below, the full list in the Arcade.
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Word of the Day
Get a new Klingon word delivered to your inbox every day. No apps, no fees — just vocabulary.
See Today's Word →Books & Resources
Explore our collection of Klingon learning materials — eBooks, audiobooks, and more.
About the Klingon Language
Klingon is a constructed language created by linguist Marc Okrand for the 'Star Trek' franchise.
The guttural warrior language of the Klingon Empire from Star Trek, featuring unique sounds and an aggressive phonology.
Created by Marc Okrand in 1984 for Star Trek.
Frequently Asked Questions
Is lingoXpress really free?
Yes! All our games, courses, and Word of the Day are completely free. No hidden charges, no credit card required.
Do I need to create an account?
Not for games, books or the resources — you can start those right away. Courses need a free account, so we can hold your place between modules and issue your certificate.
What is Word of the Day?
Every day we feature a new Klingon word with example phrases. Subscribe to get it delivered to your inbox — it takes just 2 minutes a day.
What games are available for Klingon?
We offer 12 free Klingon games, including Hangman, Word Match, Word Builder and 9 more — from beginner to advanced difficulty.
Do you have Klingon books?
We have 3 books and resources for learning Klingon, including “Klingon Dictionary 2023: Learn Klingon | Updated Klingon…” — eBooks, audiobooks, and paperbacks.
What is a constructed language?
Klingon is a constructed language (conlang) — a language that was deliberately created rather than naturally evolving. Klingon was created by Marc Okrand in 1984 for Star Trek.