U-Boat Simulator

561 reviews
Content rating
Everyone 10+
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About this game

U-Boat Simulator is a game set in World War 2, you can control a U-Boat VII-C German submarine, search enemy ships and engage in dangerous battles to sink them with torpedoes.
This is not an “arcade” game but a complex and realistic simulator, a bit difficult at the beginning but after a little practice you will enjoy hours and hours of fun.
It has options that you can enable to make the game more realistic and difficult, you can look around your submarine with the 3D views, and so on…

In this web site you will find the instructions for this game, several screenshots and a forum where you can post comments, ideas, report bugs, ask for help or add your stories and screenshots.

Here is a brief explanation:

You can scroll and zoom the map with your fingers, its borders are highlighted by yellow lines on the edges.
Your submarine is green, enemies are red, allies are blue and neutral units are black, while the units not yet identified are gray.
The submarine is indicated with a diamond and a cross, warships with a diamond and commercial vessels with a square.

On the top left of the screen there are the indicators with the speed, course and depth.
Clicking on it opens a window to edit them and MOVE THE SUBMARINE.

Always at the top, there are the boxes with the health, the batteries, the oxygen and fuel, the date and time acceleration.
Clicking on the box acceleration is possible to increase the speed of the game.

On the bottom and left there is the map scale.

On the bottom of the screen there are buttons to go on the map, to go to the screen of the charging torpedoes, to bring up the window for launching torpedoes and guidelines, the button to exit the game and on the right the button to put in pause the game.

Clicking on any unit, on the left some usefull informations will appear about its distance, course, speed etc..

The fuel is consumed only browsing on the surface, the batteries and the oxygen staying underwater (they can be recharged at the surface), health decreases when you bang against a ship, when hit by the guns of the enemy ships or near breaks out of depth charges.

This is the Full version of the game (not free).
Before buying the full game, it is better to try the free demo version that contains some limitations, it is better to download it just to have an idea of the game and to test if this game is compatible with your smartphone :

Differences between the Demo and the Full version :

Only 14 torpedoes available, NOT replaceable by calling the torpedoes transport.
Only 25 bullets for cannon and AA gun.
The damaged submarine is NOT repairable.
Oxygen and batteries NOT rechargeable at surface.
Save/Load of multiple games NOT available.
Missions NOT available.

Torpedoes replaceable by calling the torpedoes transport.
Bullets : 220 for cannon and 1000 for AA gun (rechargeable).
Fuel refillable, damaged submarine repairable, oxygen and batteries rechargeable.
Save/Load of multiple games available.
Missions available.

For the last news and other information, there is a page on Facebook :
(the page is public, you do not need to be registered to Facebook to see it)

Page on Twitter :

Tutorials on YouTube :

If you encounter bugs or malfunctions, let me know by email, thank you !
Have fun !!
Updated on
Dec 23, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
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Ratings and reviews

462 reviews
John Gabriel
March 23, 2024
Absolutely great of an arcade game reminds me of those old games i play on my ds its all pixelated and arcade looking while the mechanics is realistic my only problem with this is the pathfinding of the torpedoes transport sometimes it would dance around my ship before it links to my ship or sometimes not dock on my ship its a little bit game breaking because i cant resupply my sub and i have to replace the torpedoes transport a dozen of times before it fixes the pathfinding issue.
1 person found this review helpful
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Joe Adams
April 19, 2023
Absolutely love the game but one glitch is ruining it. I will get lined up to attack a ship only for it to randomly dissappear. Super annoying as it happens often. Please fix as this is the best submarine sim out there for mobile. Was going to email but can't find it on the app store as your website states. Thanks
7 people found this review helpful
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Vascotto Dimitri
April 19, 2023
Hi, many thanks for your review ! Probably the "Realistic sensors accuracy" option is enabled (in the option screen), it makes the sensors more realistic but causes the undesirable effect of "jumping ships"; I don't know yet how to fix it... Here there are some additional tips: http://www.uboatsimulator.com/wordpress/instructions/options-screen/
A Google user
October 13, 2018
A real 'computer game' for those who know what that is (^__^) now with more periscope! Simple 3d is fitting and perfect for the game style. I love seeing torpedo hits light up the enemy ships...KABOOM!! A must for anyone into strategy, warfare, retro games, "serious games", submarines... Its awesome! Now terrain makes navigating meaningful. Amazing developer is very friendly and always making this killer game better! 100 Stars!!!
20 people found this review helpful
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Vascotto Dimitri
October 19, 2014
Hi Aaron, thanks for your review ! I am preparing the land/bathymetry in these days :-) Not easy, I will need some weeks or more to complete it, but I put a nice screenshot of the first experiment on the Facebook page :-) (It is not needed to be registered on Facebook to see it). Have a nice day :-)

What's new


#) Bug fix for Android 12-13 :
Now the game must work with all Android versions :-)

Follow the latest news on Facebook and Twitter :-)

Let me know if you encounter bugs or malfunctions, thank you !