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$9.99
688(I) Hunter/Killer
★ —/ 5.0
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Steam Sentiment👍 81% Positive(231)
MetacriticTBD
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.
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Multiplayer & Platform Capabilities
SINGLEPLAYER
✓ Supported
ONLINE CO-OP / PVP
Solo Only
LOCAL SPLIT-SCREEN
Unsupported
CONTROLLER / CROSSPLAY
Keyboard & Mouse
Gameplay Duration & Completion
Crowdsourced campaign length, extra objectives, and 100% completion metrics
Gameplay Format & DurationMultiplayer & Social
Session-Based / Party Multiplayer
Designed for dynamic rounds, party matchmaking, and infinite multiplayer replayability. No fixed linear campaign duration.
4K Screenshots & Media Gallery
Official high-resolution media gallery (5 screenshots)
View in 4K Lightbox
View in 4K Lightbox
System Requirements & Steam Deck
Steam Deck: UNKNOWN
- Controller configuration recommended
- Native display resolution supported
Minimum Specifications
OS: Windows 10 / 11 (64-bit)
Processor (CPU): Intel Core i5 / AMD Ryzen
Memory (RAM): 8 GB RAM
Graphics (GPU): DirectX 11 compatible GPU
Storage: 10 GB available space
Recommended Specifications (60 FPS Ultra)
OS: Windows 10 / 11 (64-bit)
Processor (CPU): Intel Core i7 / AMD Ryzen 5
Memory (RAM): 16 GB RAM
Graphics (GPU): NVIDIA GeForce RTX / AMD Radeon RX
Storage: 10 GB SSD
Editions & Add-On Content (DLC)
Available game editions, collector bundles, Supporter Packs, and downloadable expansions
Base Edition
688(I) Hunter/Killer — Standard Edition
$9.99
- Full Base Game
- Online Multiplayer
Special / Supporter Edition
Classic Naval Combat Pack
$18.99
- Full Base Game Included
- Supporter / Bonus Digital Content & Cosmetics
- Online Multiplayer
Special / Supporter Edition
Complete Naval Combat Pack
$24.99
- Full Base Game Included
- Supporter / Bonus Digital Content & Cosmetics
- Online Multiplayer
Official Store Prices & Subscriptions
Live pricing across official digital stores, historical lows, and subscription catalog availability
Current Best Offer
$9.99STEAM
Regular Retail (MSRP)
$9.99USD
Verified All-Time LowBest Time to Buy
$9.99
STEAM
👍 81%
$9.99
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Creators & Development Team
Key directors, leads, and game development studios