Danger from the Deep (known as dangerdeep or DftD) is a World War II German tactical submarine simulator. The game is focused on being as technically and historically authentic, to try to recreate the battle of the Atlantic as realistically as possible.
The mission puts you in command of a UBoat in the North Atlantic theatre with an objective to stalk and hunt Allied merchant vessels. You can choose between various submarine types and engage convoys and escorts of varying sizes at different times of the day.
Features include:
- Simple menu system.
- Clean user interface.
- Basic world simulation; Night and day etc.
- Realistic water and cloud simulation.
- Different classes of ships; Destroyers, Battleships, Merchant ships etc.
- Steering, firing, diving, periscope.
- Free look engine for testing, periscope, UZO (aiming binoculars), bridge view.
- Console for logging purposes.
- Basic physics.
- Basic destroyer AI.
- Vehicle/ship preview.
- Support for custom missions.
- Tonnage recording.
- Hydroachoustics and sonar detection.
- Log book.
- Cross-platform support – runs under Linux, FreeBSD, Mac OS X, and Windows operating systems.
Website: dangerdeep.sourceforge.net
Support: Documentation
Developer: Community
License: GPL v2; Artwork licensed under CC At-Nc-Nd 2.0/2.5
To play Dangerdeep you will need to be running a supported Operating System, you will also need:
- A OpenGL 1.5 Compliant graphics card (OpenGL 2.0 or greater is recommended).
- A basic CPU, anything from 1.0ghz to 1.5ghz or greater should work.
- 256mb RAM (512mb or more would be much better).
- The usual suspects; Keyboard, monitor, mouse and some speakers or headphones.

Danger from the Deep is written in C++. Learn C++ with our recommended free books and free tutorials.
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