Unit 404 – Maxim Urusov

Unit 404

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Step into the gaming world with Unit 404, one of the top $1.99 games in the App Store! Crafted with creativity and innovation by Maxim Urusov, this captivating Puzzle game is bound to grab your attention. With its content rating of 9+, it caters to a wide audience. Ever since its release on 27th August 2020, it has been constantly updated, with the latest version rolled out on 2nd September 2020.

Whether you have a liking for Puzzle, games, Unit 404 is sure to keep you hooked!

User Ratings

Join the crowd of 14 gamers who have given their verdict on Unit 404.

Ready to take on the adventure? Get Unit 404 now from the APP STORE.

Dive into Unit 404

"Unit 404" is a sci-fi puzzle platformer game. Find a way out of the abandoned sci-fi complex through solving various puzzles. The game has more than 70 handcrafted levels with various game mechanics and visual themes. The difficulty keeps growing as you progress through the game.

What’s Fresh in the Latest Update?

Discover what’s new in the recent update of Unit 404 on 2nd September 2020:

Minor fixes

Hear from the Players – Unit 404 Reviews

Find out what gamers are saying about Unit 404:

We’ve done 62%. There should be a leader board for bragging rights. Im posting your game on our puzzle app blog gottasolveit. Great job Maxim.


Another great game by the developer. Each game is something special. We really love the gameplay & environment on this one. Nice challenging puzzle game. Developer please add an undo button to go back one step.


Love all your games. Unit 404 is great but wow, super difficult. Im about halfway through but not sure we will be able to finish.


Great game so far but an UNDO button would be very helpful.


This is a very good game indeed. The mechanics are original and the levels exploit the mechanics to their limits. The puzzles are extremely well crafted: the solutions are usually elegant and fast, but sometimes very hard to find! This game is much more approachable than The Sequence games. It is less abstract and the puzzles are easier (although not easy). Some of the puzzles towards the end are quite hard, but they are never unfair. We always felt like there was something more to tweak or another direction to explore. No filler, no time wasting, amazing value for money. If you like solid puzzlers, this is a must.


Other than that this was a fun game. The achievements, in iOS 14 at least, pop up each and every time you complete a level. All achievements earned pop up this way after each level. Also, they do not seem to save in Game Center. We completed the game (including the final four and the T-800) and Game Center still only shows us completing Parts 1 and 3.

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