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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.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Lowest tracked price: €1.28 (Jul 7, 2026) · current best: €1.28 across 8 stores.
82% positive reviews all-time · 5 peak players in the last 30 days.
Right now the cheapest offer for 688(I) Hunter/Killer is €1.28 at K4G. KingsPrice compares 8 offers from 8 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for 688(I) Hunter/Killer is €1.28 (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.
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.
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 →
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.
