688(I) Hunter/Killer
Developed by Sonalysts · Published by Strategy First
At a glance
Overview
A strategy game by Sonalysts, published by Strategy First — single-player, multi-player.
Steam’s own one-line description: “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.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for 688(I) Hunter/Killer.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | Yes |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | No |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- Windows 2000/XP, Pentium III, 256MB RAM, 1.5G Hard drive space, 32MB video card (Nvidia Geforce or ATI Radeon) DirectX 8.1 compatible sound card
Supported languages (1)
688(I) Hunter/Killer FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is 688(I) Hunter/Killer?
Steam classifies 688(I) Hunter/Killer as a Strategy game, developed by Sonalysts. 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.
How much does 688(I) Hunter/Killer cost?
As of June 2026, Steam lists 688(I) Hunter/Killer at $1.99. Prices and regional pricing change — check the Steam page for the current figure.
Is 688(I) Hunter/Killer single-player or multiplayer?
Steam lists these modes for 688(I) Hunter/Killer: Single-player, Multi-player. It lists a single-player mode.
Is 688(I) Hunter/Killer on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists 688(I) Hunter/Killer for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is 688(I) Hunter/Killer out yet?
Yes — Steam lists a release date of Oct 26, 2006.
What platforms is 688(I) Hunter/Killer on?
688(I) Hunter/Killer is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is 688(I) Hunter/Killer single-player or multiplayer?
Steam lists these modes: Single-player, Multi-player.
How much does 688(I) Hunter/Killer cost?
Steam lists it at $1.99.
Who made 688(I) Hunter/Killer?
688(I) Hunter/Killer is developed by Sonalysts and published by Strategy First.
Where to get 688(I) Hunter/Killer
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Strategy First.