Best Flex Sudoku alternatives: games like Flex Sudoku

10+ similar games compared and reviewed

4.3 avg rating
10 free games
Updated October 2026

Whether you want more options like Flex Sudoku or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Flex Sudoku

2.2(15 ratings)
FreeAds
Sudoku 16x16 Game screenshot 1
Sudoku 16x16 Game screenshot 2
Sudoku 16x16 Game screenshot 3
Sudoku 16x16 Game screenshot 4
Sudoku 16x16 Game screenshot 5

Challenge yourself with over 2000 computer-generated Sudoku puzzles in a 16x16 grid. Compete globally with your achievements and test your puzzle-solving skills without hints. Designed for experienced Sudoku players seeking an electronic challenge.

Sudoku Plus - Number Puzzles#2

Sudoku Plus - Number Puzzles by 庾涛 沈

4x4,9x9,16x16 unique sudokus
Strong Contender
🎮 Games
5.0(1 ratings)
FreeAds
Sudoku Plus - Number Puzzles screenshot 1
Sudoku Plus - Number Puzzles screenshot 2
Sudoku Plus - Number Puzzles screenshot 3
Sudoku Plus - Number Puzzles screenshot 4

Engage your mind with a classic logic puzzle available in three grid sizes and difficulty levels. Utilize smart tools like pencil marks and undo, track your progress, and compete globally. Enjoy a beautiful, modern design with dark mode support.

Samurai Sudoku#3

Samurai Sudoku by Stanley Lam

5 Small Merged Into 1 Big
Worth Considering
🎮 Games
4.6😊(374 ratings)
FreeAdsIn-App Purchases
Samurai Sudoku screenshot 1
Samurai Sudoku screenshot 2
Samurai Sudoku screenshot 3
Samurai Sudoku screenshot 4
Samurai Sudoku screenshot 5

Experience a unique Sudoku challenge with five interconnected grids. Apply standard Sudoku rules to each 9x9 grid, filling numbers to ensure each row, column, and region has one of each digit. Offers multiple difficulty levels and puzzle variations.

What We Love

  • 🎮 Excellent variety of puzzle types and game modes
  • 🧠 Challenging and mentally stimulating gameplay
  • 👍 User-friendly interface and intuitive controls
  • 🎨 Well-designed graphics and visual presentation
  • ⭐ Addictive and entertaining for extended play
  • 🔧 Helpful features like error checking and note-taking
  • 💰 Good value for money with multiple puzzle options
  • 🎯 Multiple difficulty levels for all skill levels

Room to Improve

  • 🐛 Frequent app crashes and freezing issues
  • 📱 Unresponsive touch controls requiring multiple taps
  • 🎥 Video loading problems for weekly puzzles
  • 💾 Loss of purchased content and progress after updates
  • 📺 Excessive and intrusive advertising
  • 👁️ Text and numbers too small for readability
  • 🎨 Poor color scheme causing eye strain
  • 💳 Expensive in-app purchase pricing model
  • 🔄 Orientation/layout issues on certain devices

More games like Flex Sudoku

4
Sudoku - 4x4 6x6 9x9 16x16
Sudoku - 4x4 6x6 9x9 16x16
Sudoku - 4x4 6x6 9x9 16x16
Keep your mind in good shape
Free

Engage your mind with this classic logic puzzle game. It offers multiple grid sizes and difficulty levels for players of all skills. Save progress, use hints, and track your achievements for endless mental exercise.

Multiple grid sizes (4x4 to 16x16)Four difficulty levelsSave and resume progress
🎮 Games
(15)
ad-supported
5
16x16 Giant Sudoku
16x16 Giant Sudoku
16x16 Giant Sudoku
Brain Relaxing Logic Puzzles
Free

This app offers a supersized Sudoku experience with 16x16 grids and unique tools to enhance gameplay. It challenges logical thinking and memory with various difficulty levels and daily puzzles. Enjoy a brain workout with exclusive features designed for both new and advanced players.

16x16 Epic GridsInnovative Horizontal Game ModeExclusive Erase All Wrong Tool
🎮 Games
(37)
free with in-app purchases
6
Sudoku Mega Bundle
Sudoku Mega Bundle
Sudoku Mega Bundle
Hundreds of Sudoku variations
Free

Explore hundreds of unique Sudoku variations beyond the classic grid. Challenge yourself with diverse puzzle types, difficulty levels, and helpful tools. Enjoy customizable gameplay and track your progress with leaderboards and achievements.

Hundreds of unique Sudoku variationsMultiple difficulty levelsHints and smart notes
🎮 Games
(2.9K)
free with in-app purchases
7
MultiSudoku: Samurai Sudoku
MultiSudoku: Samurai Sudoku
MultiSudoku: Samurai Sudoku
No ads. More fun.
Free

This app offers a variety of challenging Sudoku puzzles with different overlapping grid configurations. It provides a no-ads gaming experience with features to help track progress and sharpen logic skills. Enjoy hours of intellectual challenge with continuously updating content.

Multiple Samurai Sudoku variationsProgress previews for all puzzlesWeekly bonus free puzzle
🎮 Games
(2.3K)
free with in-app purchases
8
Sudoku World - Brainstorming!!
Sudoku World - Brainstorming!!
Sudoku World - Brainstorming!!
Logic puzzles with numbers
Free

Play an unlimited number of randomly generated Sudoku puzzles with various new puzzle types and difficulty levels. Enjoy multiplayer challenges, track your progress, and utilize smart tools for an enhanced experience.

Unlimited randomly generated puzzlesMultiple Sudoku variants (X, Super, Jigsaw, 16x16, Samurai)Multiplayer mode
🎮 Games
(1.5K)
free with in-app purchases
9
Sudoku 25x25
Sudoku 25x25
Sudoku 25x25
by ABCOM Information Systems Pvt Ltd
Free

Challenge your analytical skills with complex Sudoku puzzles up to 25x25 dimensions. This app offers a digital solution that saves your progress, allowing you to tackle multiple puzzles simultaneously and share your achievements.

25x25 Sudoku puzzlesProprietary puzzle generation algorithmSave progress on multiple puzzles
🎮 Games
(1)
ad-supported
10
Sudoku_Titan
Sudoku_Titan
Sudoku_Titan
49x49 Giant Logic Puzzles
Free
🎮 Games
(0)