Sudoku Blocks
About Sudoku Blocks
Sudoku Blocks (Tetra) is a free puzzle game for iPhone and iPad that combines the strategic depth of Sudoku with the satisfying gameplay of block puzzles. No pop-up ads and no required in-app purchases. Drag and drop blocks onto a 9x9 grid to fill rows, columns, and 3x3 squares — when one is complete, it clears and earns points. Includes 20+ block designs, dark mode, daily rewards, and a Block Pop mini game. Works offline.
The Sudoku-style grid adds a layer of spatial reasoning that sets this game apart from ordinary block puzzles. Choose from over 20 unique block designs and two distinct game modes. Clear multiple lines or squares simultaneously to trigger combo bonuses and rack up high scores. Log in daily to earn rewards and unlock beautiful new color themes and visual customizations.
Key Features
- No pop-up ads and no surprise full-screen ads — any short ad is optional, only when you choose
- No required in-app purchases — every feature unlocked from the start
- Sudoku-inspired 9x9 grid with rows, columns, and 3x3 squares
- 20+ unique block designs
- Two game modes for varied challenges
- Combo and strike bonus system
- Daily login rewards and unlockable customizations
- Dark mode support
- Mini game: Block Pop
- Multiple mega puzzles
- Game Center leaderboards
- Works offline — no Wi-Fi required
Why Players Love Sudoku Blocks
Rated 4.8 stars by over 310 players, Sudoku Blocks is praised for its creative fusion of two beloved puzzle genres. Players enjoy the extra layer of challenge that the Sudoku-style squares add to the classic block puzzle formula, and the wide variety of block shapes and customization options keep the game feeling fresh after hundreds of sessions.
Frequently Asked Questions
How is Sudoku Blocks different from regular Sudoku?
Instead of placing numbers, you drag and drop block shapes onto a 9x9 grid to fill rows, columns, and 3x3 squares. It combines block puzzle gameplay with Sudoku's grid logic — there are no numbers involved.
Is Sudoku Blocks free?
Yes. The game is free to download and play with no required in-app purchases.
Are there pop-up ads in Sudoku Blocks?
No. There are no pop-up ads, and nothing forces an ad on you — any short ad is optional, only when you choose.
Does Sudoku Blocks have a dark mode?
Yes. A dark mode is included for comfortable play at night.
How many block designs does Sudoku Blocks have?
Over 20 unique block designs, all unlockable through gameplay and daily rewards.
Does Sudoku Blocks work offline?
Yes. The game is fully playable offline — no Wi-Fi or mobile data required.
What players say
A few real 5-star reviews from the App Store.
★★★★★I went searching for an app that doesn't have pop-up ads. This one does not — it makes its revenue only if you want extra, which is reasonable.
— G$gambit, App Store
★★★★★I was looking for a game without ads; this one only has them if you want an extra hammer. So much better than what I played before.
— MAMA GOODWIN, App Store
★★★★★I've tried a couple of block games — this is by far the best. It isn't repetitive, it's winnable and challenging in a good way.
— Rrbbrb, App Store
★★★★★I really appreciate the lack of ads, as well as the simple and quick interface.
— WiseOne45, App Store
★★★★★I love the sudoku portion — there are two ways to eliminate blocks on the board. A very fun distraction!
— Nochancetoconform, App Store
★★★★★Thank you so much for not having ads every three seconds. Can't play any other games without them anymore — love this one!
— damianlivingston300, App Store
Download Sudoku Blocks Free
Available on iPhone, iPad, and iPod touch.
