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…

PLEASE VISIT THE WEB SITE AT THIS ADDRESS:
http://www.UBoatSimulator.com
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 :
https://play.google.com/store/apps/details?id=it.vascottod.U_BoatSimulatorDemo

Differences between the Demo and the Full version :

Demo:
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.

Full:
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)
https://www.facebook.com/UBoatSimulatorAndroid

Page on Twitter :
https://twitter.com/UBoatSimulator

Tutorials on YouTube :
http://www.youtube.com/channel/UCFcapbbgKXhyYlUYHR1P44w

If you encounter bugs or malfunctions, let me know by email, thank you !
Have fun !!