OpenSSN is a modern submarine simulation that tries to balance fun, realism, and simplicity. Players are able to explore, detect ships, and manipulate sonar. The simulation includes enemy ships, torpedoes, and a variety of combat missions.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This release adds a greatly improved AI system, increases the mobility of the player's submarine (it changes depth much faster), and adds several new missions. A number of bugs were fixed, making for a more stable experience and increasing the number of potential vessels in a scenario.
This release improves cross-platform compatibility and allows OpenSSN to be built on Linux, FreeBSD, Windows and MacOS X. It adds thermal layers (giving submarines a new way to hide), an improved targeting system, and one new mission. A Spanish copy of the manual has been included.
This release contains some important bugfixes and new features. The game should no longer lose connection to the display (X11), AI has been improved, and torpedoes detect collisions more accurately. Sound support has been added, along with some sound effects, and a new mission has been added. Sonar has been improved and active sonar pulses are now available.
This release corrects bugs in the makefile, making the game more portable. A new mission has been added and noisemakers now work. Some improvements have been made to the AI.
This release improves torpedo handling and enhances the sonar "waterfall" display. The game now includes two combat missions. This version also fixes some bugs and improves performance.
