PCGame

War on the Sea

World War II naval strategy across a dynamic Pacific campaign

Killerfish Games · Released Feb 2, 2021

SimulationStrategy

Reviews
Mostly Positive
73% of 3,345
Recent reviews
Mixed
66% of 15 in 30 days
Players
71
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
7 months ago
Mar 27, 2026
Minimum PC
4 GB RAM · 4 GB disk
Full requirements

What is War on the Sea?

A single-player naval strategy and simulation game set around the Solomon Islands in 1942. Command Allied or Imperial Japanese ships and aircraft in a dynamic campaign, then control real-time naval and air engagements while managing fires, flooding, and repairs.

For you if...

  • +you want tactical World War II naval combat
  • +you enjoy managing ships, aircraft, damage, and repairs
  • +you prefer a single-player dynamic campaign

Not for you if...

  • −you want multiplayer naval battles
  • −you want extensive built-in campaigns and ship selections

What players say

73% of 3,345 reviews are positive · 66% of 15 in the last 30 days

Players praise the tactical naval combat, campaign, and mod scene. The most common complaints concern unbalanced AI that appears to ignore the player's rules or location, along with clunky controls and interface design.

Players over time

▼ -30% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 110 players on Oct 4, 2026.

Show the data
DayPlayers
Nov 7, 202671
Nov 6, 202660
Nov 5, 202656
Nov 4, 202651
Nov 3, 202659
Nov 2, 202654
Nov 1, 202677
Oct 31, 202674
Oct 30, 202664
Oct 29, 202656
Oct 28, 202648
Oct 27, 202652
Oct 26, 202684
Oct 25, 202698
Oct 24, 202670
Oct 23, 202675
Oct 22, 202679
Oct 21, 202683
Oct 20, 202677
Oct 18, 202691
Oct 17, 202676
Oct 16, 202682
Oct 15, 202689
Oct 14, 202695
Oct 13, 202697
Oct 11, 2026105
Oct 10, 202697
Oct 9, 202683
Oct 8, 202689
Oct 7, 202686
Oct 6, 202675
Oct 4, 2026110
Oct 3, 202692
Oct 2, 202684
Oct 1, 202674
Sep 30, 202685
Sep 29, 202679
Sep 27, 202687
Sep 26, 202690
Sep 25, 202681
Sep 24, 202678
Sep 23, 202657
Sep 23, 202691
Sep 22, 202684
Sep 21, 202697

Screenshots and trailer

War on the Sea screenshot 1

War on the Sea system requirements

Minimum: 4 GB RAM, 4 GB of disk space.

As published by the developer.

Can my PC run War on the Sea?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS
XP
Processor
Intel Atom
Memory
4 GB RAM
Storage
4 GB available space
DirectX
Version 9.0c

Recommended

OS
7
Processor
Core i5
Memory
4 GB RAM
Storage
6 GB available space
DirectX
Version 9.0c

Does War on the Sea have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does War on the Sea run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • Some in-game text is small and may be hard to read
  • All functionality is accessible with the default controller configuration
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows, macOS
Steam features
Family Sharing
Languages
Text only: English.

Does War on the Sea use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Nov 7, 2026. How to filter AI games on Steam

Tags

Recent updates

1 DLC available.

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