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.
Over 12 detailed operating stations: Control all aspects of submarine warfare, including the sonar suite, fire control, helm and target motion analysis
Multiplayer Warfare: Seek and Destroy up to 8 players over the internet or LAN
Real-life situations: Conduct detailed training and single missions, plus a full campaign based on political analysis from real world situations
Full 3D Technology: Full 3D technology allows for multiple camera views and accurate 3D models of over 20 different naval weapons platforms
windows Minimum
OS: Windows 2000/XP/7
Processor: Pentium III
Memory: 256MB RAM
Graphics: 32MB video card (Nvidia Geforce or ATI Radeon)
Storage: 1.5G Hard drive space
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
2025-10-29
Haunted by Boredom? It’s Trick-or-Treating Time Again!
Halloween is finally here and as the tradition requires, it is time not only for some monster deals like nowhere around, but also for special treats for our customers! Make an order of over 10€ between 29.10.2025 15:00 CET and 03.11.2025 15:00 CET and you will get our special HALLOWEEN TREAT, which will contain discount codes: 10%, 20% OFF, 25% OFF, discount vouchers: 1€, 2€, 5€, 10€, 20€ or a FREE GAME…
Take an Early Bite Before the Real Halloween Fright
It is almost time for the scary season again and we have prepared a really interesting promo for its peak, but how about a pre-event Halloween treat campaign as well? We thought you would enjoy that very much, so we decided to let you order goodies in the scarier genres (but not only) at exceptional discount offers and 50 lucky winners would get an incredible extra layer of sprinkles on top of it all…