Best games like Sudoku 21A

10+ similar games compared and reviewed

3.7 avg rating
10 free games
Updated August 2026

Whether you want more options like Sudoku 21A 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 Sudoku 21A

Sudoku Multiplayer Challenge#1

Sudoku Multiplayer Challenge by Hive 5 Studio DOO

Play with Friends Easy Classic
Editor's Choice
🎮 Games
4.4(125 ratings)
FreeAdsIn-App Purchases
Sudoku Multiplayer Challenge screenshot 1
Sudoku Multiplayer Challenge screenshot 2
Sudoku Multiplayer Challenge screenshot 3
Sudoku Multiplayer Challenge screenshot 4
Sudoku Multiplayer Challenge screenshot 5
Sudoku Multiplayer Challenge screenshot 6

Test your Sudoku skills against other players online or practice in single-player mode. Unlock harder levels, earn rewards, and utilize special modes like Notes and Turbo to enhance your gameplay. Daily challenges offer opportunities to earn medals and improve your strategy.

Sudoku Puzzles#3

Sudoku Puzzles by Chris Guyler

The Number 1 Sudoku App.
Worth Considering
🎮 Games
4.3(6 ratings)
FreeAdsIn-App Purchases
Sudoku Puzzles screenshot 1
Sudoku Puzzles screenshot 2

This application offers an unlimited supply of free Sudoku puzzles for players of all skill levels. It includes helpful features like an advanced note-taking system, mistake checking, and a daily game to keep your mind sharp.

More games like Sudoku 21A

4
Shengji
Shengji
Shengji
by Studiolanes LLC
Free

Experience one of China's most popular card games, now available on iOS. Challenge friends or play against intelligent bots, with cross-platform availability for seamless gameplay on any device. Easy to learn but offers deep strategic mastery.

Multiplayer matches with friends and global playersSolo play against intelligent AI botsCross-platform availability on smartphones, tablets, and desktops
🎮 Games
(5)
free
5
Mathletics Speed Math
Mathletics Speed Math
Mathletics Speed Math
A fun math game!
Free
🎮 Games
(0)
6
FastMath - 2026
FastMath - 2026
FastMath - 2026
Math game for brain exercise
Free

This game challenges your mental math speed and accuracy. Solve calculations within a strict time limit to test and sharpen your cognitive abilities. It's a free educational game designed for adults to exercise their brains.

Mental math calculation testsTimed challengesAccuracy assessment
🎮 Games
(12)
ad-supported
7
Sudoku Vs.
Sudoku Vs.
Sudoku Vs.
Sudoku showdown!
Free
🎮 Games
(0)
8
Loco Sudoko
Loco Sudoko
Loco Sudoko
The best multiplayer sudoku
Free

Challenge friends or play solo in this multiplayer Sudoku game. Select from multiple difficulty levels and track your progress with detailed statistics. Find out who is the fastest Sudoku solver!

Multiplayer modeSingle-player modeMultiple difficulty levels
🎮 Games
(0)
ad-supported
9
Harbor King: Ship Docking
Harbor King: Ship Docking
Harbor King: Ship Docking
Harbor Master Traffic Control
Free

Manage ship traffic in a fast-paced line-drawing game. Guide vessels to docks, prevent collisions, and keep the harbor clear. Earn rewards to extend your gameplay and achieve high scores.

Draw safe ship routesGuide ships to correct docksManage multiple vessels
🎮 Games
(1)
free with in-app purchases
10
Sudoku Compete
Sudoku Compete
Sudoku Compete
Find your inner Sudoku master.
Free

Engage in real-time Sudoku battles against friends or random opponents. Earn points for correct fills and lose them for errors. Track your progress and climb the monthly leaderboards.

Real-time multiplayer battlesCompete against friendsPlay against random opponents
🎮 Games
(3)
ad-supported