Kudoku - Killer Sudoku Puzzle
Daily Logic Brain Games & Sums
About
This logic puzzle game challenges players with Killer Sudoku, a variation where cage sums provide deductive clues. It offers thousands of puzzles across five difficulty levels, a daily challenge, and an offline mode. An optional premium subscription unlocks additional features and content.
What's New in Kudoku
1.3.4
October 25, 2026
• Made for iPhone Duo: unfold for a larger Sudoku board, compact number keys and controls that adapt as you open and close your phone. • Back and close buttons stay easy to reach below the status area on the cover display and in inner-display landscape. • Improved theme previews and Settings layouts on smaller screens. • More reliable iCloud progress syncing, with local backups and clearer sync status.
MoreSubscriptions & In-App Purchases
Kudoku Premium Yearly
Premium access, billed yearly. Best value.
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FAQ
What is Kudoku?
Kudoku is a Killer Sudoku puzzle game. It combines traditional Sudoku rules with an additional clue: each dotted cage on the board indicates the sum of the digits within it, requiring deductive reasoning to solve.
How do I learn to play Kudoku?
Kudoku includes an interactive tutorial that teaches the rules on a real game board. You'll learn to fill rows, columns, and 3x3 boxes with digits 1-9, ensure each cage hits its target sum, and avoid repeating digits within a cage.
Does Kudoku have ads?
No, Kudoku is ad-free. The developers state 'No ads, ever,' ensuring an uninterrupted puzzle-solving experience.
Can I play Kudoku offline?
Yes, Kudoku is designed to play offline. It also saves every game and does not require an account, offering flexibility for players on the go.
What are the difficulty levels in Kudoku?
Kudoku offers five difficulty tracks: Easy, Medium, Hard, Expert, and Master. Each track contains 5,000 validated boards, graded by the reasoning required, ensuring a smooth progression in challenge.
What is Hell Mode in Kudoku?
Hell Mode is a free challenge in Kudoku where players have a limited number of lives for an entire run. Correct digits score points, combos multiply scores, and clearing floors without errors grants bonuses. It offers a high-stakes, deep-diving experience.
What does Kudoku Premium offer?
Kudoku Premium, available via subscription or a one-time purchase, offers unlimited hints, one-tap Auto Notes, matching-note highlighting, last-cell hints, full pace history, instant unlocking of all 25,000 levels, extra board themes, and iCloud sync.
How much does Kudoku Premium cost?
Kudoku Premium is offered as a monthly subscription for $0.99 (with a 3-day free trial) or a yearly subscription for $5.99 (with a 7-day free trial). A one-time Lifetime purchase option is also available. Prices may vary by region.
