28 number and logic puzzles in one app, from classic Sudoku to Kakuro, Star Battle and Nonograms. Solve at your own pace, offline, or race real players live and climb the ratings.
Every puzzle comes in five difficulties, Easy, Medium, Hard, Pro and Genius, each with a ladder of stages to climb. New to a puzzle? Open its guide for the rules, an animated example and beginner tips, then start on Easy.
PLAY ONLINE
• 1v1 Duels: you're matched with a real opponent. Same puzzle, same start, first to solve it wins.
• Daily Puzzle: a new board every day, the same for every player. Post your time on the leaderboard and protect your streak. Sundays are Genius.
• Private Rooms: invite 2 to 6 friends with a code, link or QR code. Race each other, solve one board together in co-op, or split into teams.
• Tournaments: multi-round knockouts. Survive every cut until one player is left standing.
• Ratings: every puzzle has its own rating. Climb 20 levels, from Bronze all the way to Master.
• Rematch: lost by a second? Ask for a rematch and go again on a fresh board.
THE PUZZLES
Sudoku family: Sudoku, Killer Sudoku, Thermo Sudoku, Kropki Sudoku, Palindrome Sudoku, Sandwich Sudoku, XV Sudoku, Jigsaw Sudoku, Arrow Sudoku, Search 9 Sudoku, Circle-Sum Sudoku
Number crunchers: Calcudoku, Kakuro, Sumplete, Kakurasu, Futoshiki, Skyscraper, One Up, Number-Path
Shade and place: Star Battle, 1-Star Battle, 3-Star Battle, Hitori, Kurodoko, Galaxies, Fields
Pictures: Nonograms, plus a Sliding Puzzle where you memorise a picture, watch it shatter, then slide every tile home
BUILT FOR SOLVERS
• Pencil notes: jot down candidates, narrow them down, commit when you're sure.
• Three lives per board, and a hint when you're truly stuck.
• Plays offline: solo puzzles work on a plane, on a train or anywhere without signal.
• Cloud save: back up your progress and pick up where you left off on a new phone.
• Keyboard and mouse support on tablets and Chromebooks.
• Light and dark board themes to suit your eyes.
Free to download, and online play never costs coins.
Five minutes or a whole evening, there's always a puzzle that fits. Download 10+ Number Puzzles and start solving.
Sudoku, Kakuro, Star Battle & 25 more. Live duels, a Daily Puzzle, offline play.