FINALLY. Now I can forget about leagues forever, and get back to actually learning things! Whew. What a week. : r/duolingo

Troubleshooting, Duolingo Wiki

Can we get an option to chat with the people in the League. Would be nice to to practice some Languages with each other. We can motivate one another and be competitive about beating each other's XP scores. : r/duolingo

The 4-Hour Workweek, Expanded and Updated: Expanded and Updated, With Over 100 New Pages of Cutting-Edge Content. eBook : Ferriss, Timothy: Kindle Store

Analyzing Duolingo from Product Design Perspective after 400 Days Of Non-Stop Practice, by Nare K.

The Strategy Dashboard for Gamification Design - Yu-kai Chou

I Completed DuoLingo Chinese. Here's Why You Shouldn't – I'm Learning Mandarin

5 things about eLearning success we can learn from Duolingo - LMSNinjas

Babbel vs Duolingo 2023 Which Language App Is Better?

Listen to Notes from the Staff podcast

The Art of Engagement: Duolingo's Key to Success - Ironeko