Best games like Unit 404

10+ similar games compared and reviewed

4.5 avg rating
10 free games
Updated October 2026

Unit 404 is great, but it's not the only option. Explore 10+ similar apps and games for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Unit 404

Sumaddle#1

Sumaddle by Jonathan Buchanan

Puzzles that will fox you!
Editor's Choice
๐ŸŽฎ Games
4.9๐Ÿ˜Š(767 ratings)
FreeIn-App Purchases
Sumaddle screenshot 1
Sumaddle screenshot 2
Sumaddle screenshot 3

This logic puzzle game transforms pencil-and-paper challenges into interactive brain teasers. Fit number combinations to clues using pure logic, with no mental arithmetic required. Enjoy over 150 free puzzles of varying difficulty, with built-in help and offline play.

What We Love

  • ๐Ÿ‘ Fun and challenging game
  • ๐Ÿ‘ Clean and intuitive interface
  • ๐Ÿ‘ Helpful hint system
  • ๐Ÿš€ No ads or data collection
  • ๐Ÿ’ก Unique puzzle concept

Room to Improve

  • ๐Ÿ› Automatic hints can be intrusive
  • ๐Ÿ› Inability to replay completed puzzles
  • ๐Ÿ’ก Need more free/sample puzzles
  • ๐Ÿ’ก Difficulty progression could be improved
Good Sudoku by Zach Gage#2

Good Sudoku by Zach Gage by Zach Gage

Sudoku that loves you
Strong Contender
๐ŸŽฎ Games
4.2๐Ÿ˜Š(1.3K ratings)
FreeAdsIn-App Purchases
Good Sudoku by Zach Gage screenshot 1
Good Sudoku by Zach Gage screenshot 2
Good Sudoku by Zach Gage screenshot 3
Good Sudoku by Zach Gage screenshot 4
Good Sudoku by Zach Gage screenshot 5
Good Sudoku by Zach Gage screenshot 6

This app offers a unique Sudoku experience with AI-powered hints and tools to reduce busywork. It features over 70,000 high-quality puzzles, multiple game modes, and detailed technique explanations to help users learn and improve their skills.

What We Love

  • ๐Ÿ‘ Intuitive and clean interface
  • ๐Ÿš€ Efficient auto-note and highlighting features
  • ๐Ÿ’ก Helpful tutorials and techniques to improve Sudoku skills
  • ๐ŸŽจ Visually appealing design
  • ๐Ÿ”ฅ Best Sudoku app available

Room to Improve

  • ๐Ÿ› Frequent crashes and freezes
  • ๐Ÿ”‹ High battery consumption
  • ๐Ÿค” Confusing UI elements and navigation
  • ๐Ÿ“ค Lack of cross-device sync and progress saving
  • ๐Ÿ™„ Intrusive ads that erase progress
Machinika Museum#3

Machinika Museum by Plug In Digital

Mystery puzzle game
Worth Considering
๐ŸŽฎ Games
4.7๐Ÿ˜Š(3.8K ratings)
FreeAdsIn-App Purchases
Machinika Museum screenshot 1
Machinika Museum screenshot 2
Machinika Museum screenshot 3
Machinika Museum screenshot 4
Machinika Museum screenshot 5
Machinika Museum screenshot 6

Explore and repair intricate alien machines in this mystery puzzle game. Use logic and observation to unravel a galaxy-spanning story. If you enjoy brain teasers and narrative-driven experiences, this game offers a unique challenge.

What We Love

  • ๐Ÿš€ Accrocheur
  • ๐Ÿ‘ Amazing Game
  • ๐Ÿ‘ Wonderfully difficult
  • ๐Ÿ‘ Very Nice
  • ๐Ÿ‘ Intรฉressant
  • ๐Ÿ‘ Awesome!
  • ๐Ÿ‘ One of my favourites!!
  • ๐Ÿ‘ Simple and Effective Investigative Puzzler!
  • ๐Ÿ‘ Really enjoyed this gameโ€”looking forward to game 2!
  • ๐Ÿ‘ Fun!
  • ๐Ÿ‘ Best puzzle game I ever played!
  • ๐Ÿ‘ Very Roomy
  • ๐Ÿ‘ Review
  • ๐Ÿ‘ Well done puzzle game
  • ๐Ÿ‘ Love it!
  • ๐Ÿ‘ Un bon divertissement
  • ๐Ÿ‘ Wonderful game - you'll want to savor this one
  • ๐Ÿ‘ Compelling game
  • ๐Ÿ‘ A lot like The Room series
  • ๐Ÿ‘ Fantastic!!
  • ๐Ÿ‘ Great game - let down ending
  • ๐Ÿ‘ Excellent puzzle game
  • ๐Ÿ‘ This was a great game.
  • ๐Ÿ‘ So far so good!!
  • ๐Ÿ‘ Bv
  • ๐Ÿ‘ NEXT GAME PLEASE
  • ๐Ÿ‘ Fabulous
  • ๐Ÿ‘ Great Job Guys!!
  • ๐Ÿ‘ Enjoyable Puzzler

Room to Improve

  • ๐Ÿ› Puzzles are very vague
  • ๐Ÿ› Need some hints!
  • ๐Ÿ› Disappointing for the price
  • ๐Ÿ› Chapter 7 is impossible to get past
  • ๐Ÿ› Disappointed
  • ๐Ÿ› Good game but have bugs
  • ๐Ÿ› Short chapter a bit easy
  • ๐Ÿ› Can't play again without paying again
  • ๐Ÿ› Not interested in your newsletter
  • ๐Ÿ› Damaged goods
  • ๐Ÿ› Would be 5 stars butโ€ฆ
  • ๐Ÿ› Too many bugs
  • ๐Ÿ› Very nice puzzle but buggy
  • ๐Ÿ› A little buggy.
  • ๐Ÿ› Too short
  • ๐Ÿ› Why so short/ pourquoi si court
  • ๐Ÿ› Started off loving the puzzles...
  • ๐Ÿ› Save feature needed
  • ๐Ÿ› Poor interface
  • ๐Ÿ› Stuck on chapter 3

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