You earn crystals as you complete lessons. You can buy more from the Shop tab

Duolingo

Learn Spanish, French and more

You earn crystals as you complete lessons. You can buy more from the Shop tab

More interactions from‏‏‎ ‎

Duolingo

The splash screen is the logo on a green background
Achievement leveled up modal
There are posts by other learners and mini "games" that help you test your skills
You have 5 lives. When you run out you can wait, practice, or refill by spending crystals
The onboarding asks you select a language and pick a daily learning goal
During login, it asks for your age, name, email and password
Add friends to compete with. You can search by name or find them from facebook
The curriculum is arranged linearly as a timeline with tests interspersed in between

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