Sign in
Sign up
Solve
Go to problems at your level
Time trial
Rush
Discover
Recommendations
Practice
All problems
Filter problems
Problem groups
Pattern search
Social
Friends
Users
Friend activity
Community
Forum
Discord
Leaderboard
Site
Info
Add problem
Statistics
Download
RSS
Sign in
Sign up
Return back
Ducksinoir got 3 out of 10 achievements!
First Steps
Solve 10 problems
825 players (17.36%) have this achievement
Completed · 2024-03-25 07:22 ·
Student
Solve 100 problems
417 players (8.78%) have this achievement
Completed · 2024-04-02 03:39 ·
Pioneer
First person to solve a new problem
265 players (5.58%) have this achievement
Completed · 2024-05-20 07:28 ·
Kyu Level Master
All kyu levels completed
2 players (0.04%) have this achievement
0 of 30
Contributor
Add a problem to the site
24 players (0.51%) have this achievement
Dan Check
Solve a dan level problem
148 players (3.11%) have this achievement
Single Digit Kyu Check
Solve a single digit kyu problem (9kyu or harder)
389 players (8.19%) have this achievement
Leveler
Any level is completed
99 players (2.08%) have this achievement
Dan Leveler
Any dan level completed
2 players (0.04%) have this achievement
Top Gun
Player has the best weekly Time Trial victory score for any level
4 players (0.08%) have this achievement