Silent Hunter Online is a free-to-play strategy simulation game from Ubisoft in which you command your own flotilla of submarines.

Silent Hunter Online sees the return of the lovingly and painstakingly recreated array of historically accurate submarines that brought fame to the franchise, and invites players to command them online in new ways. At the heart of the game is “the Battle of the Atlantic”, an innovative and dynamic campaign in which individual successes impact all other players through asynchronous gameplay. For the first time in the Silent Hunter series, players will be able to play every mission in real-time and in co-op, by teaming up online to form a Wolfpack and operating as a single unit towards joint goals and server-wide missions.

Here is the 2nd developer diary to watch:

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