Steam Playtests
Sails of Steel

Open now · By request

Sails of Steel playtest

by Neptunian

Become a modern privateer in a single-player naval action game set in the contested waters of near-future Southeast Asia. Work for states, syndicates or private forces, build your ship around its crew and command real-time battles where preparation and skill decide the outcome.

It's free to ask. The developer chooses who gets in.

Access
By request
On playtest since
Nov 11, 2026
Planned release
To be announced
Developer
Neptunian
Platforms
Windows
Players
Single-player
Languages
English, French, German, Japanese and 9 more

How to join the Sails of Steel playtest

  1. Open the game's Steam page with the Request access button. Sign in to Steam if it asks.
  2. Request access to the Sails of Steel playtest there. It's free and doesn't commit you to anything.
  3. The developer lets players in, often in batches, so it can take a while. Steam emails you when you're in, and the playtest appears in your library.

New to playtests? How Steam playtests work

How AI is used

The game is still in early development, and some visual assets currently use placeholders generated with AI tools. These are temporary solutions reflecting our team’s current resources. We intend to replace all AI-generated placeholders with original artwork created by skilled and talented artists before the game’s full release.

The developer's own words, from Steam.

About Sails of Steel

COMMAND YOUR SHIP. BUILD YOUR CREW. MASTER THE HUNT.

Sails of Steel is a single-player tactical naval action game about becoming a modern privateer in a fractured near-future Southeast Asia.

Magnetic instability has disrupted navigation, old alliances are splintering, and regional powers are losing control of the sea. Across tropical archipelagos, industrial ports, and storm-distorted shipping lanes, Cold War-era hulls refitted with modern systems carry out deniable work for governments, corporations, private military companies, and criminal syndicates.

You are an independent captain with an armed vessel, a crew to pay, and a reputation that outlives every contract.

FIND THE TARGET

Track ships through a partially known navigation map, track contacts and plan intercepts before conditions turn against you. Radar contacts reveal convoys, patrols, pirates, and shifting hazards, while fuel and supplies limit how far you can search.

Your route, timing, and readiness may matter as much as the weapons you bring.

COMMAND FAST, TACTICAL COMBAT

Take direct control of your ship in fast, maneuver-driven combat. Manage speed and heading, bring artillery and autocannons to bear, launch missiles and torpedoes, and use each weapon for a distinct tactical role rather than raw damage output.

Survival depends on positioning, threat recognition, decisive maneuvers, and timed countermeasures.

YOUR CREW DEFINES YOUR SHIP

Officers and their expertise unlock ship modules and support systems, the modules you install determine which weapons and equipment your vessel can support.

Changing the crew changes what your ship can do.

WORK THE GREY ZONE

Patrol contested waters, hunt protected convoys, escort valuable cargo, and accept jobs their sponsors cannot publicly acknowledge.

Who you help or betray changes your standing with competing factions and the opportunities waiting in port. There is no universally correct side - only interests and the consequences of the choices you make.

MAKE THE VICTORY PAY

Hull damage, depleted ammunition, crew injuries, and operating costs follow you out of battle. Return to port to recruit, repair, resupply, trade, and refit. A contract can be tactically successful and still leave you poorer or weaker.

Winning the fight is not enough. Bring home a ship and crew capable of taking the next job.

From the game's Steam page.