sudokus
Nine-by-nine brainteasers
Sudokus is the plural of sudoku, a logic puzzle played on a 9×9 grid divided into nine 3×3 boxes.
The goal is to fill each row, column, and box with the digits 1 through 9, with no repeats.
She does sudokus on her commute.
The puzzle originated in Japan and became a global phenomenon in the early 2000s.
Intersecting line frameworks
- numbersCounting and calculation symbols
- cellsBasic biological units
- boxesSix-sided containers
- rowsSide-by-side sequences
columns · logic · solving · pencil · brainteaser · 9x9 · digits · squares
Science of valid reasoning
- reasoningDrawing logical conclusions
- memoryMind's retention capacity
- problem-solvingAddressing challenges methodically
- pattern recognitionIdentifying regularities in inputs
concentration · mental agility · brain training · focus · deduction · analytical thinking · spatial awareness · working memory
Act of removing entirely
- scanningSystematic visual examination
- candidatesThose seeking selection
- crosshatchingIntersecting parallel lines for tone
- pencil marksLines from lead writing
backtracking · bifurcation · X-wing · swordfish · coloring · subsets · uniqueness · patterns
Recreational leisure activity
- relaxationState of being unwound
- commuteRegular work travel
- waiting roomsSpaces for those expecting appointments
- flightsScheduled air travel segments
concentration · mental exercise · quiet time · coffee break · leisure · retirement · downtime · focus
Mobile software, briefly
- onlineNetwork-connected state
- touchscreenInput-sensitive display panel
- timerDuration-tracking mechanism
- leaderboardsRanked player score lists
hints · undo · autofill · streaks · achievements · notifications · mobile · tablets
grids
Intersecting line frameworks
rows · columns · logic · solving · pencil · brainteaser · 9x9 · digits · squares · clues
logic
Science of valid reasoning
- reasoningDrawing logical conclusions
- memoryMind's retention capacity
- problem-solvingAddressing challenges methodically
pattern recognition · concentration · mental agility · brain training · focus · deduction · analytical thinking · spatial awareness · working memory · sharpness
elimination
Act of removing entirely
- scanningSystematic visual examination
- candidatesThose seeking selection
- crosshatchingIntersecting parallel lines for tone
pencil marks · backtracking · bifurcation · X-wing · swordfish · coloring · subsets · uniqueness · patterns · techniques
hobby
Recreational leisure activity
- relaxationState of being unwound
- commuteRegular work travel
- waiting roomsSpaces for those expecting appointments
flights · concentration · mental exercise · quiet time · coffee break · leisure · retirement · downtime · focus · patience
apps
Mobile software, briefly
- onlineNetwork-connected state
- touchscreenInput-sensitive display panel
- timerDuration-tracking mechanism
leaderboards · hints · undo · autofill · streaks · achievements · notifications · mobile · tablets · websites
sudokuscrosswords
Clued letter grids
crossword puzzles · word searches · acrostics · cryptograms · Wordle
sudokusfreewriting
Continuous unedited composition
creative writing · brainstorming · doodling · improvisation · daydreaming
- commit sudokuHumorous mispronunciation of ritual suicide
- sudoku gridLogic square with digits