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.
User reviews: Mostly Positive (20 reviews)
Release Date: Jul 4, 1997
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Buy Classic Naval Combat Pack

Includes 3 items: 688(I) Hunter/Killer, Fleet Command, Sub Command

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Includes 4 items: 688(I) Hunter/Killer, Dangerous Waters, Fleet Command, Sub Command

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About This Game

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.
  • 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

System Requirements

    Recommended: 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
Helpful customer reviews
5 of 5 people (100%) found this review helpful
12.4 hrs on record
Posted: September 23
A classic in the genre. The missions may be canned (that is, have no random variation aside from units reacting to you), but the sim gameplay itself is great (it was AFAIK just the best back when it was released) and the graphics/presentation is still good for a 1997 game. You might say it has a certain charm, even. Just wait until it's on sale so you get actually decent value, and yes, it does go on sale.

Gameplay consists of navigating your vessel - an improved Los-Angeles class submarine - and achieving objectives such as sinking enemy ships and laying mines.

To get an idea of what it's like, this is a boat that mostly sails under the water. Your primary means of figuring out where in God's name you are involves bouncing sound waves off everything - which is called sonar as it sounds cool - because you sure as Hell don't have any windows. Don't think it'll be quite as easy as captaining a regular boat, either, even with your assisting crewmembers.

And that's just basic sailing. When you're facing enemy vessels, it can get pretty tense. Overall, it can make for a decent challenge.

You can also upgrade your sub and your crew between missions with earned points, and change your weapons loadout while in port.

You unfortunately cannot access any proper tutorials in-game. There are tutorial missions, short tutorial videos in the game directory and a comprehensive PDF manual included, but for a submarine simulator it's a rather odd oversight. At least the manual is good and the game is great well once you start getting the hang of it. Having the assistants enabled helps as well.

That said, it is a 1997 game. It may not run that well on modern systems, even if it runs well on mine. The naval combat packs it comes in are rather pricey, too; you should wait for a sale.

FYI, the Steam version is the latest patched version, 1.08, initially a re-release of the game in 2006. Random fun fact: this game used to be published by EA.

The music is of special mention. It's around 8 or so MIDI tracks, and it's the sort of great suspense stuff you might hear from a more subdued Tom Clancy film. You can download it here and get some of the songs from the game remixes in MP3 format from here. They're very good and very appropriate. Think a Tom Clancy movie, except maybe without as much overt action.

You can also watch the special promo/press kit/B roll video they released for it here. Pretty fascinating glimpse into the development, plus some gameplay on a period computer that's frankly laughably slow compared to the speed anyone buying this game now would get. Kudos to Valve and Sonalysts for having it on Steam.
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1 of 1 people (100%) found this review helpful
11.5 hrs on record
Posted: December 21
This is a game that comes from a time when one had to have skill to win. If you like 90s graphics for explosions, a necessity to read online forums to understand the game's mechanics, and an overall love for strategey at sea; this is the game to play. I've been playing it since 1999, and I don't see a reason to stop.
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26 of 28 people (93%) found this review helpful
59.1 hrs on record
Posted: March 31
At first I really wasnt sure if this was going to be a big waste of time and money but to my surprise
it can deliver a really entertaining time killer.

THE GOOD

1: very realistic .. well at least to a civilian.
2: complex game mechaincs to those of us who dont like our games dumbed down.
3: strong sense of acomplishment when missions are completed
4: good variety of operations consisting of single missions, campaign and training.
5: A good challenge but far from impossible once youve learned your submarine skills.
6: Lots of replay value.
7: non linear game play do it your own style quiet or loud just be aware of critical objectives you are rewarded or punished based off your operating decisions.

THE BAD

1: No real training or explaining on how to actually operate ANYTHING ON YOUR SUB!
making life very difficult in the beginning. BTW I hope you learned how to use sonar and stealth tactics for a submarine in high school otherwise its very touch and go for the first 5 hours.
2: A hard sell for full price 20 dollars based off its a 1997 game best to find it on sale.
FINAL

I give this game a 7.0

A great simulator , if you can take the time experiment and read all the manuals and figuar out how a nuclear sub actually works you will find this game has a surprisingly high fun factor even for a 1997 game.
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11 of 14 people (79%) found this review helpful
14.9 hrs on record
Posted: January 2
If you like submarins, this is a nice game to learn all about them.
The drawback is TIME. Everything goes so slowly and, you are so blind that the game can be really frustrating.
Maybe a good simulation but, a game needs something else to be attractive to the player.
Buy if you like submarins and the price is a bargain
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9 of 11 people (82%) found this review helpful
2.2 hrs on record
Posted: June 26
This is a great submarine simulation game. I felt right in the middle of the action, and there are definitely some tense moments, i.e. evading enemy torpedoes and stealthily sneaking up on an enemy submarine. The game has a steep learning curve at first if you've never played anything like it before. I recommend reading the captain's manual if you want some early pointers on how to learn the basics. Some of the missions take multiple hours to complete, and I found it easy to lose myself in the game. It's got simplistic graphics, as it is an older game. On Windows 7 platforms, I've noticed that the game doesn't run as reliably as older versions of Windows, i.e. random crashing in the middle of missions for no reason. That seems to be one of the only downfalls that I have come across. Other than that, definitely a thumbs up.
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3 of 4 people (75%) found this review helpful
12.7 hrs on record
Posted: March 26, 2011
This is a simulator sub marine game which is kind of outdated in graphic and gameplay. Its hard to just pick up and learn this type of gameplay right away but after time you might get a hang of it. Its a game were you pretty much find the enemy and try to kill them before they kill you. The graphics are old and kind of blocky. The music I had to turn off because it was kind of getting annoying. Its an alright game. If you get it in a pack then that's the best way to obtain a game like this.
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2 of 4 people (50%) found this review helpful
0.9 hrs on record
Posted: March 2
An old favorite of mine. Harpoon style gameplay, real time. Great modern sub simulator.
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8 of 16 people (50%) found this review helpful
1.1 hrs on record
Posted: May 23
... I think I sunk my battleship.

I have no idea what I'm doing here. I'm sure it's a great retro game for those that want a sub sim. I just have no idea what I'm doing :)
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3 of 7 people (43%) found this review helpful
0.1 hrs on record
Posted: February 23
It is fun but do not expect high end graphics, This game does not utilize the high end graphics displays of todays systems. Do no expect full screeen displays or incredible displays.
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0 of 1 people (0%) found this review helpful
0.2 hrs on record
Posted: December 10
Honestly, I didn't understand the game mechanics all that much so I dropped it.
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5 of 21 people (24%) found this review helpful
1.4 hrs on record
Posted: January 22
Do not buy, doest work in newer systems
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2 of 20 people (10%) found this review helpful
Posted: January 3, 2013
handicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collectionhandicapped cretin
now owns Strategy First Collection
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8 of 34 people (24%) found this review helpful
2.2 hrs on record
Posted: November 29, 2013
I don't know how I got this. I hope I didn't pay for it. I guess if you have nostalgia for it go right ahead but it's as intuitive as a 16 year old game and the graphics are fit for 1997.

Steam overlay doesn't work which means you can't take screenshots or use any community features.
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