REDOを累計100回使用した

ガイドを閲覧した

パズルをやめた回数が累計50回を超えた

Cleared 15 puzzles in a row on shuffle

Cleared 40 "Nurikabe" puzzles

Cleared 20 "Nurikabe" puzzles

Used the undo function more than 100 times

Used the redo function more than 100 times

Used the delete function more than 100 times

Quit a puzzle more than 50 times

Cleared 15 puzzles in a row on shuffle

Cleared 30 "kakuro" puzzles

Cleared 20 "kakuro" puzzles