Best Str8ts HD alternatives: games like Str8ts HD

10+ similar games compared and reviewed

4.7 avg rating
10 free games
Updated October 2026

Whether you want more options like Str8ts HD 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 Str8ts HD

Guriddo: Stradoku Number Game#1

Guriddo: Stradoku Number Game by Simon Schuster

Daily Sudoku-like logic puzzle
Editor's Choice
🎮 Games
4.8(46 ratings)
FreeAdsIn-App Purchases
Guriddo: Stradoku Number Game screenshot 1
Guriddo: Stradoku Number Game screenshot 2
Guriddo: Stradoku Number Game screenshot 3
Guriddo: Stradoku Number Game screenshot 4
Guriddo: Stradoku Number Game screenshot 5
Guriddo: Stradoku Number Game screenshot 6

A free, addictive logic-based number puzzle game with daily challenges and multiple difficulty levels. Compete with friends and track your progress with detailed stats. Perfect for fans of Sudoku, Numbrix, Kakuro, and Kenken.

Nurikabe: Islands & Walls#2

Nurikabe: Islands & Walls by Conceptis Ltd.

Island logic puzzles
Strong Contender
🎮 Games
4.9😊(399 ratings)
FreeIn-App Purchases
Nurikabe: Islands & Walls screenshot 1
Nurikabe: Islands & Walls screenshot 2
Nurikabe: Islands & Walls screenshot 3
Nurikabe: Islands & Walls screenshot 4
Nurikabe: Islands & Walls screenshot 5

Solve logic puzzles by partitioning a grid with walls to create islands of specific sizes. Each island must contain a clue and be isolated from others. Offers a variety of difficulty levels and features to aid gameplay.

What We Love

  • 🚀 Great logic game
  • 👍 Well executed with practical features
  • 👍 No ads
  • 👍 Perfect UI
  • 👍 Challenging puzzles
  • 👍 Affordable entertainment
  • 👍 Excellent interface
  • 👍 Clean, functional UI
  • 👍 Addictive and fun

Room to Improve

  • 💰 Very expensive for additional puzzles
  • 🐛 Keeps asking to rate the app even after rating
SumSudoku: Killer Sudoku#3

SumSudoku: Killer Sudoku by Conceptis Ltd.

Crossovers with Kakuro flavor
Worth Considering
🎮 Games
4.8😊(801 ratings)
FreeIn-App Purchases
SumSudoku: Killer Sudoku screenshot 1
SumSudoku: Killer Sudoku screenshot 2
SumSudoku: Killer Sudoku screenshot 3
SumSudoku: Killer Sudoku screenshot 4
SumSudoku: Killer Sudoku screenshot 5

This app offers a logic puzzle experience combining Sudoku and Kakuro elements. Solve grids by filling numbers 1-9, ensuring each appears once per row, column, and box, while also meeting area sum clues. Features include hints, pencilmarks, and progress previews.

What We Love

  • 👍 Challenging and fun puzzles
  • 🚀 Intuitive interface and controls
  • 🔒 No ads or in-app purchases
  • 💡 Variety of difficulty levels
  • 👍 Helps keep the mind sharp

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 💡 Difficulty levels not always consistent
  • 💡 Lack of customization options (colors, etc.)

More games like Str8ts HD

4
The Futoshiki
The Futoshiki
The Futoshiki
12000 levels of the Futoshiki.
Free

Engage your logic with a Japanese number puzzle game. Fill grids with numbers, respecting row, column, and inequality constraints. Offers multiple difficulty levels and thousands of unique challenges.

Logic puzzle gameplayNumber placementInequality constraints
🎮 Games
(792)
ad-supported
5
Suguru
Suguru
Suguru
6000 levels of Suguru puzzle.
Free

Engage your mind with a logic puzzle featuring simple rules and immense depth. Solve thousands of unique levels, progressing from novice to expert difficulty. This addictive game offers a uniquely satisfying challenge for puzzle enthusiasts.

6000 unique puzzle levelsVarying difficulty from novice to expertSimple rules, complex challenges
🎮 Games
(297)
ad-supported
6
Kakuro: Number Crossword
Kakuro: Number Crossword
Kakuro: Number Crossword
Cross sum challenges
Free

Fill empty squares with numbers 1-9 so that each block sums to the clue on its left or top. No number can be repeated within a block. This logic puzzle offers endless fun and sharpens cognitive skills.

Fill empty squares to match sum cluesNo number repetition within blocks200 free puzzles and weekly bonus
🎮 Games
(1.9K)
freemium
7
Sudoku: Classic & Variations
Sudoku: Classic & Variations
Sudoku: Classic & Variations
No ads. More fun.
Free

Engage your mind with a variety of Sudoku puzzles, including classic and unique variations like Diagonal, Irregular, and OddEven. Offers a no-ads experience with features to aid gameplay and track progress. Perfect for logic puzzle enthusiasts seeking a mental challenge.

Six Sudoku variationsNo adsWeekly bonus puzzles
🎮 Games
(1.1K)
free with in-app purchases
8
Sudoku: Variants & Classic
Sudoku: Variants & Classic
Sudoku: Variants & Classic
Killer, Sandwich, Thermo +40
Free

Engage your mind with a comprehensive number puzzle game offering classic Sudoku and over 35 unique variants. Enjoy themed weekly challenges, smart hints, and a clean design for a relaxing yet challenging brain-training experience.

Classic Sudoku35+ Sudoku variantsThemed Weekly Challenges
🎮 Games
(1.6K)
free with in-app purchases
9
KenKen Classic
KenKen Classic
KenKen Classic
by KenKen Puzzle
Free

Engage your mind with this addictive logic and math puzzle game. It offers a virtually unlimited supply of challenges with adjustable difficulty and grid sizes. Enjoy a fun way to train your brain with a trusted source of daily puzzles.

Unlimited puzzlesAdjustable difficulty and grid sizeMultiple input modes
🎮 Games
(3.2K)
free with in-app purchases
10
Cracking the Cryptic
Cracking the Cryptic
Cracking the Cryptic
Curated Sudoku Puzzles
Free

This app offers a curated collection of handcrafted Sudoku puzzles from world-renowned constructors. Explore classic and unique variants, with new puzzle packs released regularly. A free introductory pack is included with download.

Handcrafted Sudoku puzzlesCurated by expert constructorsClassic and unique variants
🎮 Games
(208)
free with in-app purchases