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Level 1 · 0 XP · 0 day streak
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Finish a lesson
Getting going
Finish 10 lessons
On a roll
Finish 50 lessons
Centurion
Finish 100 lessons
Quiz taker
Pass a quiz
Full marks
Score 100% on a quiz
Problem solver
Solve a practice problem
Grinder
Solve 25 practice problems
Three in a row
A 3 day streak
Week warrior
A 7 day streak
Unstoppable
A 30 day streak
Level 5
Reach level 5
Level 10
Reach level 10