Naval Action is a hardcore, realistic, and beautifully detailed naval combat sandbox immersing players into the experience of the most beautiful period of naval history - when sailing ships ruled the seas.
User reviews:
Mixed (217 reviews) - 44% of the 217 user reviews in the last 30 days are positive.
Mixed (2,745 reviews) - 69% of the 2,745 user reviews for this game are positive.
Release Date: Jan 21, 2016

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Sea Trials is a long age of sail tradition. Captains of that time had a chance to test their vessel and provide feedback to the Admiralty on what needs to be changed to make the ship perform better. Extensive sea trials are required by the Admiralty to fully test if the ships in the game are seaworthy and ready for fighting.”

Approximately how long will this game be in Early Access?

“We plan to stay in Early Access until core features of the game are finished and polished.”

How is the full version planned to differ from the Early Access version?

“The game is in alpha. We plan to focus on the following during the Early Access
  • Improved User Interface
  • New ships
  • More features like production buildings, officers and better crew management and many other exciting things.

for more information please visit our forums.”

What is the current state of the Early Access version?

“Excellent age of sail combat representation
Basic crafting
Basic trading
Basic conquest
Multiple playable nations
Large variety of age of sail vessels

User interface is purely technical and will be improved once more features get into the game.”

Will the game be priced differently during and after Early Access?

“Price will go up when Early Access ends.”

How are you planning on involving the Community in your development process?

“Naval Action community has been involved in the development from the start. We are very proud to say that many features the game has were proposed and designed based on community ideas. We plan to continue doing so going forward.

To share your voice and propose features please visit our Steam community forums or our company forums located here
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Recent updates View all (48)

June 21

Patch 10.3


Patch is being deployed to live servers

What's new
  • Special event added that will happen from time to time somewhere in the Caribbean
  • Knowledge slots unlock pre-requisites requiring you to sail previous lower level ships, removed from the game, knowledge slots and their xp requirements remain
  • PvP marks and PvE marks removed and replaced by Combat marks
  • PvP kills now give 2x combat marks to the previous pvp marks (if you got 2 pvp marks for kill you would get 4 combat marks)
  • PvP marks conversion added to convert left over pvp marks into combat marks
  • Rookie Brig and Rookie Snow added to low level missions
  • Added the ability to switch ships with fleet in ports (even without outpost)
  • Skillbooks and Books now provide a tool tip in the admiralty/pirate den store (to see the requirements and bonuses place the mouse over the result of the exchange in the right window which appears after you click on the skillbook or book)
  • Book tab is added to port store
  • Improved (relaxed) speed requirements and time requirements to pick up loot from sinking ships
Fixed bugs
  • Fixed the bug that did not transfer the crews between gunnery and sailing crew focuses when you had extra crew
  • Fixed the bug that did not start the storm preset in the instance
  • Fixed the bug that did not apply hold optimization bonuses in the instance
  • Fixed the bug that did not repair ship in the OW if you had minor damage
  • Fixed the bug that you could sell items to port if the port was not supposed to buy those items
  • Fixed the bug that did not let you place contracts in neutral ports
  • Fixed the bug that sometimes locked the amounts you could sell to 1
  • Fixed the bug that did not start the port battle if the port battle time fell onto the port battle lock down times (1 hr before or 1 hr after of maintenance)
  • Fixed the bug that blocked purchase of 36lb guns under contracts
  • Hull repairs, Rig repairs and Rum are now placed into consumables section in the port
  • Trading goods consumption by Npc traders slightly increased
  • Furnishing requirements for 4 lower level vessels reduced
  • Several ships were removed from NPC stores to promote crafting, the margins for the remaining ships were reduced
  • Removed explosion strength from basic cutter
  • Reduced resource requirements for 7th and 6th rates
  • Minor speed rebalances were done for Bucentaure, Pavel, Endymion, Wappen, Agamemnon
  • OW speeds slightly rebalanced

35 comments Read more

June 13

Patch 10.2 - Mission changes, crafting, ROE, and other improvements


Patch have been deployed to live servers today.

  • Solo orders are now available for all ranks (despite they were reducing the feel of the hunt - players loved them). It was a mistake to remove them before mission agents were implemented.
  • Basic cutters are no longer pulled into PVP battles with the following conditions:
    • basic cutter cannot attack other ships (including basic cutters)
    • basic cutter can be attacked
    • basic cutters are not pulled into battles if you attack another ship
    • basic cutter ARE pulled into battles if you attack a basic cutter
  • Snow HP is increased
  • Trader ships can now carry cannons - and will carry them. This will allow cargo hunting and baiting unprepared privateers.
  • Trader ships overall speed slightly reduced (by 0.4 knots)
  • Deceleration times reduced for the following vessels:
    • Cutter
    • Pickle
    • Brig
    • Navy Brig
    • Snow
    • Cerberus
    • Frigate
    • Belle Poule
    • Essex
    • Indefatigable
    • Pirate frigate
  • Snow, Cutter, Lynx speed slightly increased
  • Sailing rigs and refits rebalanced (with speed bonuses reduced)
  • Defensive War supplies dumps now give correct decrease of hostility
  • Crafted set bought by freetowns now contain more shipbuilding materials (to provide more ship building options for players operating from freetowns
    • NPC will sell those resources they bought at cheaper prices
  • ROE timer problems fixed and some timers are tuned.
    • Players will no longer be able to attack directly from invisibility
    • Invisibility timer reduced to 30 seconds (players coming out of invisibility won't be able to attack for another 30 seconds)
    • Battle closing time reduced to 3 minutes from 5 minutes
  • Demasting rebalanced.
    • We were not satisfied that too many pvp fights focused only on demasting and it will be much harder to destroy lower mast sections from now on.
  • Labor hour costs of repair rig materials became lower
  • Lower caliber guns costs were reduced
  • Loot tables updated and npc combat ships will drop rare refits and admiralty skillbooks (previously only available for pvp marks)
  • Endymion now uses correct pumps (and no longer requires 60 men to operate)
  • Fort positions updated for several ports
  • Furnishings price changed from pvp marks (25) to pve marks (300)


63 comments Read more
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About This Game

Naval action - open world multiplayer sandbox

Naval Action is a hardcore, realistic, and beautifully detailed naval combat game immersing players into the experience of the most beautiful period of naval history - when sailing ships ruled the seas.


Exciting bugs – Because its still alpha we have an interesting selection of annoying, strange, and sometimes wonderful bugs. We are squashing them one by one, but it's Caribbean - they will keep coming for quite some time.

Enormous open world – Large open world, recreated based on 18th Century maps, historical harbors, positions, and town names. We do not believe in the various modern hand-holding markers, thus player position is not shown on the map: you will have to navigate yourself using compass, sun or landmarks. PS. battles are instanced to allow extremely complex sailing and fighting calculations for 50 ship battles.

Freedom – Build ships, trade, sink enemies of your nation. You can attack anyone almost everywhere. Remember that every action could have consequences. So don't attack everyone - or you will become a pirate. Conquer almost every port in the Caribbean, but remember! other adventurous captains will try to ruin your plans.

Beautiful ships – Accurate hull models, sail plans, guns, internal upgrades, historical speed, turning and heel performance. Ships from small cutters to large 100+ gun 1st rates will allow the player to experience every possible role of the Age of Sail period.

Realistic sailing – Advanced wind and physics model provides for realistic portrayal of ship’s performance in the age of sail. Yard angles, ship angle to wind, fittings and ship condition affects speeds and turning rates. Correct tacking, boxhauling, clubhauling and other elements of the age of sail sailing are possible. Hidden ship characteristics will allow to gradually uncover potential of the vessel – every ship in game will be unique.

Historical gunnery - Realistic ballistics and cannon performance of the period. Every cannonball is tracked in the air and after it hits the target. One shot can hit the stern, damage the rudder, then hit the cannon carriage, injure crew, ricochet from the floor and hit the opposite side. Listing and wind affects the shooting distance and will require change of tactics.

Weapons - All major types of naval artillery are implemented: from long guns to carronades. Fort and land batteries will provide support during port battles. Mortars are coming soon.

Damage model - Leaks, structural damage, torn sails, demasting, raking, fires and all other hazards that were possible in that era. Damage is positional: hit the gun and you might destroy it. Gunnery crews are placed deck by deck. Shot can pass through the balcony, ricochet of the gun, hit a crew member and then fly out of the gunport splashing into the water. Armor thickness and wood type is implemented and at extreme angles cannonballs will ricochet from the hulls.

Community driven development - Players actively participate in development and many elements of the game have already been implemented based on the player feedback. Content is immediately given out to players for testing and improvement. Share your thoughts in comments or on the forums.

System Requirements

    • OS: 64 bit Windows 7 and above
    • Processor: Intel Core i5-4570 3.2 GHz or AMD Phenom(tm) II X4 B60 3.3 GHz
    • Memory: 4 GB RAM
    • Graphics: GeForce GTX 460 1GB or AMD Radeon HD 6850 1GB (must support shader 5 model)
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 2 GB available space
    • Additional Notes: 32bit OS versions possible but not supported
    • OS: 64 bit Windows 7 and above
    • Processor: Intel Core i7-3770 3.4 GHz or AMD FX-9370 4.4 GHz
    • Memory: 8 GB RAM
    • Graphics: GeForce GTX 660 2GB or AMD Radeon HD 7850 2GB (must support shader 5 model)
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 2 GB available space
    • Additional Notes: 32bit OS versions possible but not supported
Customer reviews Learn More
Mixed (217 reviews)
Mixed (2,745 reviews)
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