- Improved Campaign Logistics LIVE - 27 March 2026
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 allowed in a Task Force (for mods)Removing the limit of different 4 types of aircraft on ships or at airfields (for mods)Again we'd like to extend our gratitude to the War on the Sea modding community for their continued support and passion to further improve the game. Many thanks to the following community members for their input and assistance with this latest update;YortLuminary CrushpombruvChevayoApolloClaustroIvIf you wish to continue playing the previous version (1.08h5) to finish an existing campaign or maintain mod compatibility please see this link:https://steamcommunity.com/app/1280780/discussions/0/5710018482977588195/For details about these recent changes and a full change log plea…
- Campaign Logistics 2 (Beta) - 10 December 2025
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 bombardmentsModding support to force various campaign settingsTo opt into the beta:REMEMBER: use of mods will likely not be compatible with this version until updated mods are released1) Right click War on the Sea in your Steam library, go to properties/betas and you should have new tabs listing other available versions.2) Password to access the beta is: warontheseabetaUse the pulldown to select the beta version.It should then begin to download.3) When you run the game the version number should read the version you selected.Full changelog below.Version 1.09a10 Dec 25 (Beta)GENERALFiring a single torpedo with a non-zero spread no longer sends that torpedo due northdefault config.txt modified variable…
- Improved Campaign Logistics (Beta) - 24 November 2025
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 expand the game to better support mods.To that end, we'd like to extend our thanks the War on the Sea modding community for their continued passion and tireless work to further improve the game along with their ongoing contributions and discussions around this latest update. Many thanks to community members;YortChevayoApolloClaustroIvKey new features are:Resource costs for rearming ships and replenishing aircraftReplenishment at seaExpanding number of ships allowed in a Task ForceRemoving the limit of different 4 types of aircraft on ships or at airfieldsTo opt into the beta:REMEMBER: use of mods will likely not be compatible with this version until updated mods are released1) Right click W…
- Aircraft overhaul and strategic bombing update now available - 26 February 2024
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 last update to finish a campaign or maintain mod compatibility see here: https://steamcommunity.com/app/1280780/discussions/0/5710018482977588195/ The overhaul of aircraft flight performance was initiated by community members and we'd like to thank them for taking the initiative to improve aircraft combat as well as perform testing for these changes. Contributors - Luminary, YorT Testers - Markuss, Wouter Ootman, TigerAce121, Kraznova and Choccy For reference, full change log is below: Version 1.08h5 27 Feb 24 (Beta 25 Feb 24) Fixed a bug in campaigns where terrain tiles would not correctly display. Version 1.08h4 Beta 27 Jan 24 CAMPAIGN Player aircraft correctly replenish if the Location…
- BETA: Aircraft Overhaul & Strategic Bombing - 7 December 2023
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 by community members and we'd like to thank them for taking the initiative to improve aircraft combat as well as perform testing for these changes. Contributors - Luminary, YorT Testers - Markuss, Wouter Ootman, TigerAce121, Kraznova and Choccy To opt into the beta: REMEMBER: use of mods will likely not be compatible with this version until updated mods are released 1) Right click War on the Sea in your Steam library, go to properties/betas and you should have new tabs listing other available versions. 2) Password to access the beta is: warontheseabeta Use the pulldown to select the beta version. It should then begin to download. 3) When you run the game the version number should read the v…
- Expanded World & Destructible AAA - 12 October 2023
Now in BETA, Version 1.08h2 adds terrain data for the North Atlantic, Mediterranean and Indian Ocean theatres as well as introduces destructible AAA mounts on ships. Several example campaign maps are also included to assist modders with making new campaigns set in other regions and on larger maps. To opt into the beta: REMEMBER: use of mods will likely not be compatible with this version until updated mods are released 1) Right click War on the Sea in your Steam library, go to properties/betas and you should have new tabs listing other available versions. 2) Password to access the beta is: warontheseabeta Use the pulldown to select the beta version. It should then begin to download. 3) When you run the game the version number should read the version you selected. Version 1.08h2 is now available in beta. Fixes the aircraft turret bug introduced in 1.08h1 and introduces a new system to su…
- Patch for Campaign Bugs - 7 November 2022
This is a silent fix as it only contains text data file changes, the version number still reads 1.08g7h2 for this build. MODDERS; you will only need to update/integrate the modified text data files if applicable. This fix addresses several campaign navigation errors that could cause the campaign timer to fail, resulting in; - aircraft endurance and launch timers not counting down correctly - contacts not being updated on the map correctly Need to call out community member skwabie here and give them a big thanks!! We'd been tracking this issue for a long time now and their reporting and breakdown of the cause was instrumental in getting it fixed. Files changed: default/campaign/campaignXXX/ mapLandLocations.txt corrected positions of buka, newgeorgia, santaisabel so as not to be on land seaWaypoints.txt corrected positions of buka, newgeorgia, santaisabel so as not to be on land and impr…
- HE Shells and Campaign Improvements - 25 August 2022
This update features a re-work of High Explosive shell behaviour, zooming of Tactical Map at mouse position as well as several improvements to Campaigns such as; - settings panel when starting a new campaign - ability to choose from multiple overlapping icons on the Strategic Map Remember you can maintain older versions of War on the Sea to finish an ongoing campaign or maintain mod compatibility until they are updated for this latest version See here for details Full change log below: Version 1.08g7h2 25 Aug 22 CAMPAIGN Left clicking on map markers now opens edit panel for that marker (bug introduced in 1.08g7 by the following feature; ) Version 1.08g7h1 17 Aug 22 (BETA) CAMPAIGN CheckUnsafeLocations now always checked irrespective of airfield level AI no longer bombards neutral locations when landing troops there Version 1.08g7 6 Aug 22 GENERAL Tactical map zooms in/out at mouse posit…
- Iowa, Essex and More! - 20 July 2022
Version 1.08g6h3 is a major update that introduces; - Iowa and Essex Class ships - Hellcat, Corsair, Helldiver, Judy and B25c aircraft (Single Battles only) - Kamikaze attacks (Single Battles only) - 11 new Single Battles - Major re-balance of Campaigns Campaign Changes Due to significant changes in campaign balance, the previous live game version, 1.08g7h5, is available to opt into. You may wish to do so to continue an ongoing campaign or to maintain mod compatibility. See here for details: https://steamcommunity.com/app/1280780/discussions/0/5710018482977588195/ Significant changes are: - Command Points gained weekly based on locations owned - Command Points per ship sunk significantly reduced - Command Points for ships released from command not returned until ship completes rest/repairs - Replenishing carrier air wings now requires the carrier to be released from command - Reduced Re…
- Aircraft AI & AAA Customisation - 28 February 2022
This update brings a lot of new customisation features to War on the Sea. In particular, aircraft AI attack parameters are now exposed along with fully editable ship AAA. Several other issues introduced in the previous update have also been addressed including bug fixes for Auto-Resolve and aircraft escorting other groups. Full change log below: Version 1.08g5h7 28 Feb 22 Removed Custom Attack debug lines Fixed AI sub depth keeping to prevent blowing ballast (and surfacing) when not necessary Version 1.08g5h5 24 Feb 22 (BETA) Aircraft AI Attack Variables All aircraft types can now have individual attack behaviours specified. aircraft_data.txt files added support for new variables to be used in first data line (aircraft data) as well as within payload data lines to define custom AI behaviours All variables are in seconds or 1:10 metres Numbers in are a random value in the range specified…
- Fog of War & AI - 4 February 2022
This latest version (1.08g5h2) introduces fog of war to the campaign where enemy ship groups are no no longer fully identified on the campaign map. Incomplete and or incorrect data is supplied based on the visibility conditions under which an enemy task force is spotted. Also improved tactical AI with enemy ships now correctly turning broadside as well as making submarine and anti-submarine warfare behaviour more compelling. Finally support for additional nations as well as additional sea mission parameters has been added. Change log below: Version 1.08g5h2 5 Feb 2022 Corrected "rubberbanding" of aircraft escorting ship groups Directors no longer point at undetected targets when prosecuting a region/area in search for that target AI escorts search along incoming torpedo bearing with lateral spacing 1500 - 2500m AI escorts slowed to 10-15 knots to improve sonar detection when prosecuting…
- Big Guns - 6 January 2022
Hope you all had a safe and happy holiday season! This update introduces the three Japanese battleship classes: - Fuso - Ise - Nagato In addition, rear gunners have been added to those aircraft that were missing them along with support for custom campaign maps which now allow modders to start creating campaigns outside of the original Solomon Islands map area. Finally, TMA parameters for calculating firing solutions have been added on an individual ship class basis to better represent their accuracy. Version 1.08g4h1 7 Jan 22 GENERAL 3 New Battleships: Fuso, Ise, Nagato materials/other added material references for Fuso, Ise, Nagato unit/sea added folders for fuso, ise, nagato language/english/unit/sea added language files for fuso, ise, nagato unit/sea/allUnitsList.txt added references for fuso, ise, nagato campaign/campaignXXX/seaUnits.txt added references to fuso, ise, nagato to add…
- Version 1.08g3h3 now LIVE - 2 December 2021
Version 1.08g3h3 2 Dec 2021 Campaign map markers now save/load correctly (bug introduced 1.08g3) Player and AI aircraft no longer get locked firing guns and drain ammunition Corrected audio reference for default/language/english/message_log.txt SwitchLeader Version 1.08g3h1 23 Oct 2021 (BETA) CUSTOM AUDIO SUPPORT Created new folder default/audio music.txt file moved from default to new folder default/audio default/audio added _readme file for instructions on how to setup custom audio default/audio added ambientSoundFX_example.txt, particleSoundFX_example.txt and unitSoundFX_example.txt files - when "_example" removed from the filenames, these files will be read to reference paths to custom audio clips for ambient ocean sounds, particle effects and units respectively default/language/english/dictionary/message_log.txt entered full audio file paths for message sound effects default/langua…
- Version 1.08g2 is now Live - 26 October 2021
4 New Carriers and UI improvements For full details on this update, see below: https://steamcommunity.com/games/1280780/announcements/detail/3055122329837326939
- 4 New Carriers & UI Improvements - 21 October 2021
Update 1.08g2 is now LIVE. This update contains several major UI improvements, 4 new carrier classes along with other general fixes and improvements. Full change log below: Version 1.08g 21 Oct 2021 Roster Sorting Left click and drag unit tabs to reorder the roster list. Changing the order sorts units and impacts their positions in formations. For example, rearranging the list and placing those units in Line Ahead formation places ships in positions as indicated by the roster list order. - config.txt added "enableRosterSort":true to enable left click and drag to re-sort unit roster tabs Roster Shift Click Selection Shift Click on a roster tab now selects all units between the one clicked and the current player controlled unit. Similarly, clicking a selected unit de-selects these relevant units. Destroyed units now automatically "fall" to the bottom of the roster list. - config.txt added…
- Searchlights now available - 5 October 2021
This update introduces searchlights into the game. Full change log below: Version 1.08f9h1 5 Oct 2021 Placing multiple way points on mini map fixed (bug introduced 1.08f9) "refundPostRepair:true" correctly refunds multiple merchant ship command point values Further Searchlights Improvements Searchlights no longer track sinking ships Ships using searchlights or illuminated by star shells or searchlights have "illumination bonus" to being spotted and solution calculations applied against them; - spotted bonus is +20% - solution calculation bonus is config.txt "tmaIlluminationBonus":0.2 config.txt increased "searchlightDistance":6000 distance in metres at which searchlights are used and provide the illumination bonus - all ships automatically turn off searchlights if target is beyond config.txt "searchlightDistance":6000 so as not to incurr this illumination penalty for no reason default/l…
- Searchlights in BETA - 29 September 2021
This beta introduces searchlights. To opt into the beta: 1) Right click War on the Sea in your Steam library, go to properties/betas and you should have new tabs listing other available versions. 2) Password to access the beta is: warontheseabeta Use the pulldown to select the beta version. It should then begin to download. 3) When you run the game the version number should read the version you selected. TOKYO EXPRESS MOD (TTE) USERS : Note TTE uses the live version of War on the Sea by default. Unless you are specifically involved in testing of TTE, this beta version is not recommended for use with TTE. Version 1.08f9h1 1 Oct 2021 (Beta) Placing multiple way points on mini map fixed (bug introduced 1.08f9) "refundPostRepair:true" correctly refunds multiple merchant ship command point values Further Searchlights Improvements Searchlights no longer track sinking ships Ships using searchl…
- Auto-Auto Scouting - 23 September 2021
This update further automates scouting. Aircraft take off, fly patrol routes, land at dusk and automatically take off again the following dawn. In addition there is now the option to "Repeat" a course allowing ships or aircraft to continuously patrol a plotted course. Change log below: Version 1.08f8 23 Sep 2021 (BETA 21 Sep 2021) GENERAL default/unit/air/aircraft/aircraft_data.txt new variable for weapon assignments; "lockBombBay":0 - nothing "lockBombBay":1 - bomb doors locked in closed position "lockBombBay":2 - bomb doors locked in open position "lockBombBay":3 - bomb doors removed Torpedo mounts no longer apply their scale to launched torpedoes CAMPAIGN default/campaign/campaignXXX/setup.txt - added new variable for sub specific post-engagement cooldown "postEngageSubCooldown":14400 Any destroyed compartment will force an AI Submarine to return to base post engagement AI submarine…
- Version 1.08f7h1 now in BETA - 16 September 2021
To opt into the beta: 1) Right click War on the Sea in your Steam library, go to properties/betas and you should have new tabs listing other available versions. 2) Password to access the beta is: warontheseabeta Use the pulldown to select the beta version. It should then begin to download. 3) When you run the game the version number should read the version you selected. TOKYO EXPRESS MOD (TTE) USERS : Note TTE uses the live version of War on the Sea by default. Unless you are specifically involved in testing of TTE, this beta version is not recommended for use with TTE. Version 1.08f7h1 BETA 17 Sep 2021 AutoScouts re-launching at dawn now correctly counted to prevent duplication Fixed a bug where Sea Units from existing save games could not plot new courses KNOWN ISSUE: aircraft groups in existing campaign saves were automatically assigned to escort the first player object found in vers…
- Version 1.08f6 Available - 12 September 2021
This is a big one! Major features: - Many options added to edit campaign balance and alternate Command Point acquisition methods - Unit viewer now has an "aircraft" panel for ships with aircraft - Merchants and submarines made less resilient to shell and bomb damage - Support for ship subtypes such as Battlecruisers, Light Carriers and Destroyer Escorts If you want to experience many of the new campaign re-balancing features in action in more strategic and difficult campaign, we recommend the Baron's popular Tokyo Express mod. Available here: https://steamcommunity.com/app/1280780/discussions/3/5671690972174045737/ Full change log for 1.08f6 and the various other beta versions that comprise it below: Version 1.08f6 Change Log 13 Sep 2021 9 Sep 2021 (BETA) Mouse over ship names on Roster Tabs displays class and subtype of that ship (requires tooltips ON) Adjusted cleveland_data.txt tonna…
