688(I) Hunter/Killer, the most realistic submarine simulation ever developed for PC. Master the sonar and weapons control systems, learn to develop real target situations and outfit your boat with the latest advanced weaponry. Then use your skills to complete the tour of duty and earn your dolphins to become a true submariner.
A truly authentic simulation: Developed by Sonalysts, a defense contractor who designs submarine simulators for the US Navy
Over 12 detailed operating stations: Control all aspects of submarine warfare, including the sonar suite, fire control, helm and target motion analysis
Real-World Terrain: Ocean depth and water density for the entire globe are based on actual satellite topographical data
Real-life situations: Conduct detailed training and single missions, plus a full campaign based on political analysis from real world situations
Multiplayer Warfare: Seek and Destroy up to 8 players over the internet or LAN
Full 3D Technology: Full 3D technology allows for multiple camera views and accurate 3D models of over 20 different naval weapons platforms
Complete Control: Manage all of the resources of your submarine, including crewmen training and weapons load-outs
Dangerous Waters
S.C.S. - Dangerous Waters allows you total control over multiple air, surface, and submarine platforms in a modern-day naval environment. Take direct control of individual crew stations and also plan and execute combined arms naval strategies from a top-down 'Commanders Eye' perspective.
Fleet Command
International waterways become theaters of war when the world's most formidable maritime powers exchange their fatal blows. With entire fleets at your command, you must strategically deploy vessels from every class - frigate to aircraft to nuclear submarine - to maintain the precarious balance of naval power and gain position for the deadly endgame.
Campaigns and mission scenarios straight from current headlines
Exclusive real-time strategy with cuttingedge, real-world weapons
Intuitive point and click game play
No need to memorize symbols or complex commands
Player designed task forces
Complete 3D environment rotates and zooms for intense combat action
Effects modeled in stunning detail- time of day, clouds, rain, differing sea states, ship's wake and pyrotechnics
Sub Command
Take charge of the most deadly modern-day submarines in the world - three distinct submarines across two unique and challenging campaigns. Utilize cutting-edge sensor and weapon technology to locate, track and destroy the enemy - even deliver Tomahawk missiles to inland targets. Whether transiting, diving, or surfacing you control the smartest, stealthiest and most feared subs on the water today!
Three submarines to command - Seawolf, 688(I) and Akula. Each contains authentic naval systems including Sonar, Radar and Target Motion Analysis.
Test your skills while firing Tomahawk missiles, rescuing crippled subs, rising through the polar ice cap to communicate information and much more.
Easy to use game interface - With straightforward controls and automated crewmen, controlling a submarine has never been easier.
Enhanced sound and 3D graphics engine - 3D Objects (over 250), from Russian trawlers to France's Mirage fighters - plus exacting sound modes pull you in like never before. You won't just hear the torpedos, you will feel them.
windows Minimum
OS: Windows 98SE/ME/2000/XP/Vista/7
Processor: 550Mhz processor
Memory: 128 MB RAM
Graphics: Direct 3D compliant Video Card with 32MB RAM, (with DirectX 9.0b compatible drivers)
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2025-12-13
Test Your Gaming IQ with YUPLAY and Win
As the holiday season is already nearly here, we prepared a special Christmas Giveaway that would let you test your gaming IQ with YUPLAY and win some awesome prizes while doing it! Make sure to regularly check and follow our YUPLAY X profile in order to be in the know about any possible chances to participate and enter the Christmas Giveaway in a timely manner. Are you up to the challenge and ready to guess some great gaming titles?
Dive Into 2025’s Most Addictive Video Games – Part 2
As you probably know, we separated the most addictive video games blog into 2 dozens of Steam games in almost all of the main gaming genres, so there should be something for everyone to enjoy on it! Now we are here to continue our list and if you checked out the first part of it, you know we made sure to discuss some of the top hit games that recently got released. We assure you there will not be bad titles in the second part as well, so let’s head over to the first entry in part 2 immediately!