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.
Open Klingon Games →Word of the Day
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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?
No account is needed to start learning. You can play games, take courses, and browse resources right away. An optional free account lets you save progress.
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.