A new update (1.4.3) is available. Here's the changelog: Gameplay/UI: - Savegames can now be deleted in the LoadGameScreen by selecting a savegame and then pressing the button that appears on the right. - In a multiplayer online game you can now cancel ending your turn by clicking on the X in the message window - Intro is now only shown on the first startup per default. If you want to show the intro on every startup you can enable it in the settings menu. - Vision range is now changed immediately when diving/resurfacing submarines or choosing vision upgrades on unit level up Bugfixes: - fixed a Multiplayer bug that a player could do 2 turns in a row - damaged units should now smoke correctly after loading a level - Mission End Screen is now showed after 3 seconds delay - fixed Manual Cam Movement so posteffects are not turned on while zooming - fixed a graphic glitch in ProfileEditScreen - fixed leagues showing after logout - Remove blocking map object when first enemy is destroyed to remove game blocker - Fixed multiple clicks on a multiplayergame opening it multiple times - Fixed positioning of notifications - Fixed tactical map: now appears earlier - small changes in english tutorial texts - fixed a bug that water settings could not be changed after changing from one level to another - fixed some crashes/freezes

A new update (1.4.3) is available. Here's the changelog: Gameplay/UI: - Savegames can now be deleted in the LoadGameScreen by selecting a savegame and then pressing the button that appears on the right. - In a multiplayer online game you can now cancel ending your turn by clicking on the X in the message window - Intro is now only shown on the first startup per default. If you want to show the intro on every startup you can enable it in the settings menu. - Vision range is now changed immediately when diving/resurfacing submarines or choosing vision upgrades on unit level up Bugfixes: - fixed a Multiplayer bug that a player could do 2 turns in a row - damaged units should now smoke correctly after loading a level - Mission End Screen is now showed after 3 seconds delay - fixed Manual Cam Movement so posteffects are not turned on while zooming - fixed a graphic glitch in ProfileEditScreen - fixed leagues showing after logout - Remove blocking map object when first enemy is destroyed to remove game blocker - Fixed multiple clicks on a multiplayergame opening it multiple times - Fixed positioning of notifications - Fixed tactical map: now appears earlier - small changes in english tutorial texts - fixed a bug that water settings could not be changed after changing from one level to another - fixed some crashes/freezes

Key Features:

• Two Single Player Campaigns (~50 hours of gameplay)
  
• Single Player Challenge Maps - Test your skills in different combat scenarios and keep track of your progress.
  
• Live Multiplayer - Battle your friends live on the internet (cross-platform) or via hot-seat.
  
• Asynchronous Multiplayer - Take all the time you need and consider your moves. Similar to "play-by-mail", your round is stored on our server and turned over to your opponent. The system allows you to continue the match anytime and anywhere you want (cross-platform).
  
• Online Features - Leagues, chat and - in early 2014 - tournaments.
  
• Strong AI - A clever AI that will challenge even experienced commanders.
  
• Map Editor - A powerful editor to create your own maps and missions (Windows only).
  
• Includes "Trains" DLC - Additional ~15 hours campaign, new units and new multiplayer maps

• OS: Ubuntu 12.04 LTS or newer
• Processor: 2.0 Ghz Dual-CoreMemory: 2 GB RAM
• Memory: 2 GB RAM
• Graphics: OpenGL 2.1. GeForce GTX 260 or better. proprietary driver recommended
• Storage: 3 GB available space