Achievements
Sign in to start earning badges as you play.
Progress
First Blood
Complete your first Sudoku puzzle.
Dedicated
Complete 25 puzzles.
Century
Complete 100 puzzles.
Milestones
Pattern Hunter
Complete any Level 5+ puzzle.
Wing Master
Complete any Level 10+ puzzle.
Chain Breaker
Complete any Level 14+ puzzle.
Curriculum Complete
Complete at least one puzzle at every level (1–17).
Speed
Quick Thinker
Solve a Level 1 puzzle in under 3 minutes.
Swift Solver
Solve a Level 5 puzzle in under 5 minutes.
Mastery
Pentagon
Solve at least one puzzle with 5 different techniques.
Decathlon
Solve at least one puzzle with 10 different techniques.
Grandmaster
Solve 5+ puzzles at each of the 17 technique levels.
Streaks
Three-Day Fire
Solve at least one puzzle on 3 consecutive days.
Weekly Warrior
Solve at least one puzzle every day for a full week.
Month of Mastery
A 30-day solve streak. Dedication manifest.