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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.

Released · 2006-10-26

At a glance

About this game

Core game information and the store records it came from.

Title: 688(I) Hunter/Killer
Content: Game
Release date: 2006-10-26
Developer: Sonalysts
Publisher: Strategy First
Platforms: Windows
Connected stores: 2

GOG GOG source details

Store title: 688(I) Hunter/Killer
Product ID: 1692087764
Developer: Sonalysts
Publisher: Strategy First
Store release date: 1997-07-04
Source checked: 2026-10-14 06:42 UTC

Open official store page ↗

Steam Steam source details

Store title: 688(I) Hunter/Killer
Product ID: 2900
Developer: Sonalysts
Publisher: Strategy First
Store platforms: Windows
Source checked: 2026-10-07 06:05 UTC

Open official store page ↗

How you can play

Features and tags

Select a feature to find other games that have it.

Ways to play

Store features

Family Sharing

Store tags

Strategy
Naval Combat
Simulation
Submarine
Naval
Military
Classic

Genres

Strategy

Genres & themes IGDB

Simulator
Warfare

Categories and genres from the Steam store, observed 2026-10-07. Additional genres and themes from the game’s verified IGDB record. Store tags from Steam and GOG, as players and the store apply them.

Compare & explore

One game, connected stores

Each store keeps its own prices and observations. We prefer the latest recorded EUR price for Europa. When the displayed currency differs from the store amount, a separate approximate value may use the latest available ECB reference rate.

Some store links may be affiliate links. We may earn a commission from qualifying purchases, at no extra cost to you. This does not affect prices, ratings or rankings. How commercial links work.

Lumiri price context

Recorded price comparison

Matching store titles. One currency. One market.

EUR SE

Lowest recorded amount

1.99 EUR

Steam

Recorded 12 days ago Over 48 h old

Difference between stores

0.10 EUR

Lowest to highest included amount.

2 comparable stores

Distance from observed low

At observed low

Steam listing only. Low: 1.99 EUR.

Last seen 2026-10-02

Newest included record2026-10-02 11:16 UTC

Oldest included record2026-09-18 17:38 UTC

2 records are over 48 hours old.

2 included price records from 2 stores · 2 linked listings

See the 2 included observations

Steam history →688(I) Hunter/Killer
1.99 EUR
2026-10-02 11:16 UTC12 days ago · over 48 h old
GOG history →688(I) Hunter/Killer
2.09 EUR
2026-09-18 17:38 UTC25 days ago · over 48 h old

How this comparison works

Only original EUR amounts recorded for SE and matching titles linked to this game are compared. Edition words and numbers must match. Other editions, source-market fallbacks and currency estimates are excluded.

These are recorded observations. Check the store for the current price, availability and included content. Historical lows belong to the named listing in this market and reflect the history Lumiri GameDB has collected.

GOG

688(I) Hunter/Killer

2.09 EUR

80% off ~~10.45 EUR~~

Price recorded 2026-09-18 17:38 UTC

Steam

688(I) Hunter/Killer

1.99 EUR

80% off ~~9.99 EUR~~

Price recorded 2026-10-02 11:16 UTC

Ratings at a glance

Community and editorial ratings

79/100

Lumiri average

2 included sources · 231 underlying reviews · source range 76–81 · 1 not yet included

GOG

76/100 3.8/5

76/100

16 user reviews · GOG user rating

Included in the combined rating.

Checked 2026-09-22 19:05 UTC

IGDB

90/100 89.8209/100

90/100

6 user reviews · IGDB user rating

Needs 4 more reviews before it is included.

Checked 2026-10-13 16:12 UTC

Read at IGDB ↗

Steam

81/100 81% positive

81/100

215 user reviews · Very Positive

175 positive · 40 negative

Included in the combined rating.

Checked 2026-09-18 23:22 UTC

View the rating chart · User sources need 10 reviews; verified editorial sources qualify directly. The combined score is the arithmetic mean of included sources, not weighted by review count.

Player activity

Observed Steam player history

Latest 1,000 points at most. Individual observations.

Last observed Steam players: 0
Observed peak · 24h: 0
All-time observed peak: 4
Average players · 24h: 0

First signal received

0 players observed

Observed player history is starting. The trend chart will appear automatically after the next collected sample.

2026-10-14 08:23 UTC

View exact player observations

2026-10-14 08:23: 0 current players

Observed by Lumiri GameDB during 24h. Times are UTC. Lines connect observations; gaps are not measured.

Open full player history

Samples: 1
Minimum: 0
Maximum: 0
Average: 0

Recorded prices

Price history · Steam

EUR observations for market SE. History belongs to the selected store listing; regional prices and taxes may differ.

Historical low observed by Lumiri GameDB: 1.99 EUR, last seen 2026-10-02

View 3 recorded prices

2026-09-18 16:08: 3.69 EUR (80% off)
2026-09-21 20:09: 9.99 EUR
2026-10-02 11:16: 1.99 EUR (80% off)

Prices observed by Lumiri GameDB in EUR.

Catalogue activity

Recent changes

Prices, release dates and store listing updates we detected. Repeated store refreshes are grouped.

Store details updated GOG 4 Oct 2026

Store details
Price drop Steam 2 Oct 2026

9.99 EUR → 1.99 EUR (−80%)
Store details updated GOG 3 updates since 25 Sep 27 Sep 2026

Description, release status, title, product type, release date, availability, platforms, store details
Price increase Steam 21 Sep 2026

3.69 EUR → 9.99 EUR (+171%)
Store details updated GOG 18 Sep 2026

Title, product type, release date, availability, platforms, store details