Free games like Steel Ocean
Below are 12 free-to-play Steam games similar to Steel Ocean, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Steel Ocean page.
Ranked picks
- 1
Maelstrom
Free-to-play alternative to Steel Ocean — no purchase or trial window.
Command the seas in Maelstrom! Engage in fast-paced naval battles with powerful warships and colossal sea monsters. Customize your fleet and dominate the Abyssal Ocean. Are you ruthless enough to survive?
- 2
PlanetSide 2
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Massively Multiplayer and Free To Play with Steel Ocean.
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
- 3
Bloodline Champions
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Massively Multiplayer and Free To Play with Steel Ocean.
Bloodline Champions is a Free-to-Play online PvP Arena game where players engage in short, intense battles of up to ten players divided into two teams. Each player takes control over one of several bloodlines, each with their own unique weapons and abilities. Easy to learn, challenging to master.
- 4
Blackwake
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Free To Play with Steel Ocean.
Blackwake is a multiplayer naval FPS focused on teamwork and cooperation. Fire the cannons, sink enemy ships or board them with firearms and steel.
- 5
The Pirate: Caribbean Hunt
Free-to-play alternative to Steel Ocean — no purchase or trial window.
Hail to the Captain! Sail into the heart of the Caribbean in the Age of Piracy - the time of black flags and white skulls, blue waves and golden opportunities. Hoist the Jolly Roger and grab the steering wheel to sail through battles and raids, ransoms and treasures, to become the Crimson King of the Antilles!
- 6
MechWarrior Online™ Legends
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Simulation and Massively Multiplayer with Steel Ocean.
MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere.
- 7
Age of Empires III: Definitive Edition
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Free To Play with Steel Ocean.
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
- 8
War Selection
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Massively Multiplayer and Free To Play with Steel Ocean.
War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.
- 9
World of Warships
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Simulation and Massively Multiplayer with Steel Ocean.
Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
- 10
War Thunder
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Simulation and Massively Multiplayer with Steel Ocean.
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea.
- 11
Steel Ocean: Wolves of Deep Sea
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Simulation and Massively Multiplayer with Steel Ocean.
It is a free-to-play shooting game.You may choose 6 types of warships used in the WWII to play PvP and PvE naval battle. Start the voyage with your warships and fight for the honor of your fleet!
- 12
GunFleet
Free-to-play alternative to Steel Ocean — no purchase or trial window. Shares Simulation and Massively Multiplayer with Steel Ocean.
GunFleet is an online MMO-shooter, inspired by the different countries' mosquito fleets of the First and Second World Wars. Fight with each other, assemble in fleets of high-speed torpedo boats, submarine chasers, submarines and river monitors!