Milestones
First StepsSolve your first puzzle.
RegularSolve 10 puzzles.
DevoteeSolve 50 puzzles.
CenturionSolve 100 puzzles.
ApprenticeReach level 3.
JourneymanReach level 5.
Streaks
Warming UpReach a 3-day streak.
On FireReach a 7-day streak.
DaybreakerComplete 7 daily puzzles.
SunchaserComplete 30 daily puzzles.
Rules
Sudoku XFinish the first chapter of its book.
ThermometersFinish the first chapter of its book.
Killer CagesFinish the first chapter of its book.
Kropki DotsFinish the first chapter of its book.
X and VFinish the first chapter of its book.
Anti-KnightFinish the first chapter of its book.
German WhispersFinish the first chapter of its book.
Mastery
Hard-boiledSolve a Champion puzzle.
LightningSolve a puzzle in under 3 minutes.
Cover to CoverSolve every page of a book.
SummitSolve every page of every book.
PathfinderFinish 3 weekly challenges.
Duels
DuelistWin a friend duel.
RivalWin 5 friend duels.
Leagues
Silver LeagueMove up to the Silver League.
Weekly badges
Finish the weekly in its own week for a dated badge.