688(I) Hunter/Killer
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.
Offers
What are keyshops?Official stores
Official stores with direct support.
Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Multipacks (2)
About 688(I) Hunter/Killer
- 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
Game details
Game details
Age ratings
Game modes
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Features
688(I) Hunter/Killer price history
Lowest tracked price: $1.49 (Jul 7, 2026) · current best: $1.59 across 8 stores.
688(I) Hunter/Killer player count & reviews
82% positive reviews all-time · 5 peak players in the last 30 days.
688(I) Hunter/Killer — frequently asked questions
Where can I buy 688(I) Hunter/Killer at the cheapest price?
Right now the cheapest offer for 688(I) Hunter/Killer is $1.59 at K4G. KingsPrice compares 8 offers from 8 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price 688(I) Hunter/Killer has ever been?
The lowest price KingsPrice has tracked for 688(I) Hunter/Killer is $1.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How many people play 688(I) Hunter/Killer?
688(I) Hunter/Killer peaked at 5 concurrent players on Steam in the last 30 days (highest on Jul 17, 2026). The player chart on this page updates daily.
Is it safe to buy a 688(I) Hunter/Killer Steam key from a keyshop?
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
How can I get 688(I) Hunter/Killer at a discount?
Create a free price alert on this page and KingsPrice will email you when 688(I) Hunter/Killer drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
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