Duolingo Diamond League

Duolingo Leaderboard League Badges

Duolingo Emerald League, Amethyst League, Pearl League and Obsidian League: my advancement, Duolingo Leagues is a great challenge and it motivates me a lot #duolingoaddict, #duolingoleagues

What happens when you finish first in the Diamond League on Duolingo? I cannot find the winner anywhere. Do they automatically drop them off the leaderboard? - Quora

Lukas' weblog

Earn xp for you in your duolingo league by Evelynneko

Gamification in eLearning - Benefits, Methods & Real Examples - Belitsoft

I'm addicted to apps and I'm not asking to be rescued

Everything You Need To Know About Duolingo Leagues

Magically Melissa: Four Weeks Of Duolingo

Ruby league: Is it worth the grind? : r/duolingo