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War on the Sea

War on the Sea

Command ships, submarines and aircraft in the South Pacific during WWII.

Released Feb 2, 2021 Developer Killerfish Games Platforms Windows · Mac StrategySimulationNavalWorld War IINaval Combat
View on Steam ↗ $39.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

76.1%positive2,914 reviews
Recommended · 6 found this helpful

“Great game with alot of potential. Only thing bringing it down is lack of campaigns”

— a player, Steam review · 74 hrs played
Recommended · 5 found this helpful

“I enjoy the game but I have found that the Mac version is greatly dumbed down from the PC version, yet we pay the same price! So it's a mixed review. It's still worth the price for the Mac but just barely and only because the base game for the PC is phenomenal and you still get…”

— a player, Steam review · 1,541 hrs played
Not recommended · 20 found this helpful

“This game could be very fun, but one thing that absolutely ruins it for me is how accurate the AI is while my side cant land a single hit. Ill end up having 3 boats sunk before my ships land a single hit. spending 30 minutes watching my shells splash harmlessly nowhere near the…”

— a player, Steam review · 81 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 13:30 UTC · history via SteamCharts.

120playing at last check
13224-hour peak
850all-time peak
0 250 500 2022 2023 2024 2025 2026 465 avg · Feb 2021

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$39.99current · sampled 2026-07-26 08:39 UTC
$39.99lowest since tracking began2026-07-11
US39.99 USD
EU33.99 EUR
UK30.99 GBP
Australia56.95 AUD
Canada45.49 CAD
Japan4,100 JPY
Brazil75.49 BRL
China116.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$15 China Japan Canada EU Australia US UK≈$41

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Mar 27, 2026
Improved Campaign Logistics LIVE

Version 1.09a is now LIVE and features a major re-working of campaigns.Key new features are:Resource costs for rearming ships and replenishing aircraftReplenishment at seaExpanding number of ships all

Dec 10, 2025
Campaign Logistics 2 (Beta)

This update (version 1.09a) adds a few more new features and addresses some fixes/oversights from the 1.09 update.Key new features are:Improved cargo UIImproved Campaign UIRebalance of shore bombardme

Nov 24, 2025
Improved Campaign Logistics (Beta)

This update (version 1.09) features a major re-working of campaigns. In particular, we've been working closely with the modding community to integrate their revisions of campaign logistics as well as

Feb 26, 2024
Aircraft overhaul and strategic bombing update now available

The recent aircraft performance overhaul and strategic bombing features are now available in the live version with this new update. Remember, if you want to maintain the version 1.08g7h2 prior to this

Dec 07, 2023
BETA: Aircraft Overhaul & Strategic Bombing

Beta continues to grow with a complete overhaul of aircraft flight characteristics along with the addition of strategic bombing in campaigns. The overhaul of aircraft flight performance was initiated

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresSimulation, Strategy
Player tagsStrategy · Simulation · Naval · World War II · Naval Combat · Singleplayer · War · Indie · Wargame · Military · RTS · Realistic (SteamSpy community voting)
FeaturesSingle-player · Includes level editor · Family Sharing
LanguagesEnglish
Estimated owners50,000 – 100,000 (SteamSpy)
Official sitehttp://killerfishgames.com
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: XP Processor: Intel Atom Memory: 4 GB RAM DirectX: Version 9.0c Storage: 4 GB available space