Free
In-App PurchasesWith Ads
About
This game offers a unique numberless logic puzzle experience, replacing traditional Sudoku numbers with sharks. Solve puzzles at your own pace, offline, with no timers or energy restrictions. Support the developer through optional tips.
✓Numberless logic puzzles
✓Shark placement mechanics
✓Offline play
✓No timers or energy limits
✓Daily challenges
✓Optional rewarded videos for help
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What's New in Sharkdoku
1.2.8
October 8, 2026
Your ocean, uninterrupted. • No banners or automatic ads between levels. • A one-time welcome-back message thanks returning players. • An optional Tip jar lets you support the developer, with no gameplay unlocks or benefits. Every puzzle remains free to play. Rewarded videos for hints, reveals and extra squid lives remain entirely your choice.
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Subscriptions & In-App Purchases
$3.99
Ads Off
Remove banners and level ads. Optional videos stay.
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FAQ
What is Sharkdoku?
Sharkdoku is a logic puzzle game that uses sharks instead of numbers, following rules similar to Sudoku. It offers a numberless twist for players who enjoy relaxing logic challenges.
Does Sharkdoku have ads?
Sharkdoku offers ad-free play with no banners or automatic ads between levels. Optional rewarded videos are available only when you choose to get extra help.
Can I play Sharkdoku offline?
Yes, Sharkdoku can be played offline. Your progress, notes, and supplies are saved on your device, allowing you to play at your own pace without an internet connection.
How do I place sharks in Sharkdoku?
To place sharks, you must ensure one shark is in each color region, row, and column, and that sharks do not touch, even diagonally. Tap to mark a square and double-tap to place a shark.
Is Sharkdoku free to play?
Yes, every level in Sharkdoku is free to play. There are no subscriptions or paid puzzle packs required to access the game's content.
How does Sharkdoku compare to Sudoku?
Sharkdoku offers a similar deductive reasoning experience to Sudoku but replaces numerical logic with spatial placement rules for sharks, making it a numberless alternative.
What is the age rating for Sharkdoku?
Sharkdoku has an age rating of 4+, making it suitable for a wide range of players.
How often is Sharkdoku updated?
The latest version of Sharkdoku is 1.2.8, and it was last updated on October 8, 2026. Updates typically bring new puzzles and improvements.
