
Earned
Caught one unaided
Found a flaw with no help at any step, then used the rule again.
7 lessons caught with no help
5 of 7 stickers
Every sticker is earned by catching Lumi’s mistakes on your own. Grey ones show what to try next.

Example learner. This is what it looks like after a few months of practice. Finish one lesson and your own record replaces it.
Play a lesson5days
Practised 5 days in a row
Longest run 5 days · 17 days in total
Practised on 8 of the last 35 days. A filled square is a day a lesson was finished.

Earned
Found a flaw with no help at any step, then used the rule again.
7 lessons caught with no help

To earn
Seven days of practice, and a skill proved again on a later day.
Needs a 7-day streak and a skill proved on a later day

Earned
Used a repaired rule on a fresh question, first try, with no help anywhere.
7 lessons transferred first try with no help

Earned
Practised three days running, on top of catching something unaided.
5-day streak, 7 independent catches

To earn
A week of daily practice, on top of a mastered skill.
Practise 7 days in a row and prove a skill on a later day

Earned
Caught a flaw unaided in more than one subject.
4 subjects, 7 independent catches

Earned
Proved a skill again on a later day.
3 skills proved on a later day