Dangerdeep is an world war 2 german uboat simulation. Danger from the Deep, is World War 2 german uboat simulation. It's intended as an tactical simulation, focused on being the most historically and technically correct possible. Altough still in-development, already features several models and uboat models, allowing you to control all the "stations"/activities of an uboat war patrol in the battle of the atlantic. Uses SDL/OpenGL, so it should be portable to several platforms, only at the moment only x86-32/64 Linux, Windows and FreeBSD are supported.