Steam app 410900 · updated 12 Sep 2026, 17:53 UTC
Unleash your creativity and strategic prowess in Forts, the exhilarating physics-based RTS! Design, construct, and customize imposing fortresses, bristling with devastating firepower, and blast your opponent’s buildings to rubble!
719 hourly samples, with the daily peak drawn over them. Weekends are shaded.
116 months, February 2017 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 438 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 281 hourly samples. Each dip is a night. Weekends are shaded.
Forts was released on 19 Apr, 2017.
| Language | Full audio |
|---|---|
| English | ● |
| French | |
| German | |
| Spanish - Spain | |
| Russian | |
| Italian | |
| Japanese | |
| Korean | |
| Polish | |
| Portuguese - Portugal | |
| Portuguese - Brazil | |
| Simplified Chinese | |
| Turkish | |
| Hungarian | |
| Traditional Chinese | |
| Slovak | |
| Ukrainian |
A blank audio cell means full audio was not marked in the returned language list.
68 achievements in total.
50 developer announcements, Jun 2025 to Sep 2026 · times in UTC
G'day Forts fans,We've got some pretty lovely news to share: Forts has been selected as a finalist in the Ongoing category at the Australian Game Developer Awards 2026!The AGDAs celebrate Australian-made games and the people behind them, so…
MonjieG'day Forts fans!With the recently released Firebird DLC, we dedicated our 7th official map making competition to the creation of new 2v2 Firebird environment maps, to help populate the map pool. Our judges and community had to select 3…
42 scientistG'day Forts fans!The first ever Firebird DLC Tournament has just ended, with team Tarlahon emerging as victors!Not only have they mastered the now ubiquitous Lightning Beam + 20mm Cannon combo, but they also managed to quickly adapt and…
42 scientistG'day Forts fans!Congratulations to Julian, winner of Season 42. Taking second is zebdww. And in third is 90315. While the top 3 places receive Gold, Silver, and Bronze, every eligible player finishing within the top 20 will receive a…
MonjieThis Month's Spotlight: Tanya's Commander Mod Reloaded(by General_Miau) Tanya’s Commander Mod Reloaded builds on years of experimentation, balancing, and wonderfully strange ideas from one of the Forts Workshop’s better-known mod…
MonjieG'day Forts fans!Now that the Firebird DLC is properly out, we need some help to get many more maps on the field with the new fancy themes!For the seventh edition of the map making competitions, we will be looking for 2v2 maps that are…
42 scientistG'day Forts fans!If you're out of the loop, we have very recently launched the latest Forts - Firebird DLC!Now that the Season 7 of the FPL has come to an end, it is time for a flurry of events to take place before Season 8 (and who knows…
42 scientistG'day Forts fans!The FPL has now ended, time to celebrate this season's victors!With an astonishing set of matches, even when the commander choices were against them, JameTime Zzz managed to full sweep the finals, while also suffering very…
42 scientistG'day Forts fans!We've spent the week attending to several other issues that needed attention. The change list is below as well as in-game: click the version number in the main menu.This hotfix contains a bonus fix to portals - the…
Patch notesG'day Forts fans!With Firebird out the door we've been keeping an eye on things and taking notes. We missed some issues during testing and have picked up on a few needed balance changes. This hotfix addresses the most urgent items, but…
Patch notesG'day Forts fans,The wait is over. Forts - Firebird is out now! NEW CAMPAIGN - A FORTS STORYFrom firefighter to one of the Eagle Empire's most decorated commanders, follow Lisa Del Fuego's journey as she overcomes tragedy, personal demons…
MonjieG'day Forts fans!Congratulations to Александр, winner of Season 41, jumping from 3rd last season. Taking second for the second consecutive season is Nils. And in third is The Snake, who previously placed 8th in season 40. While the top 3…
MonjieG’day, Forts fans!Season 7 is coming to an end, and you all know what that means! Quality matches through Playoffs!The Playoffs will decide the best of the best, through a single elimination tournament-style bracket. The 8 best teams from…
MonjieG'day Forts fans,After months of heat, smoke, and lightning, Forts - Firebird is now only one week away from release!Launching on June 16 at 11 AM UTC, Forts' third DLC, brings Firebird's origin-story to life in a new campaign, and includes…
MonjieG'day Forts fans!Engineering, but make it even more stressful. The Space Engineers + Forts Bundle is now LIVE on Steam, pairing two physics-driven sandboxes where creativity and problem-solving win the game.Whether you're designing and…
MonjieG’day, Forts fans!With FPL Season 7 underway, and matches going furiously between teams, it has come to our attention that only a small fraction of matches are actually available to the public.While every match is available in the form of…
42 scientistG’day, Forts fans!To kick off Season 7 of the Forts Pro League, we are planning to cast a handful of live matches from the first week of the qualifier stage. These matches are among the first of the FPL, and we will be covering them live…
MonjieG'day Forts fans!This weekend marks 9 years of Forts!For nearly a decade, players have been building, battling, destroying and occasionally discovering that their perfectly good fort was, in fact, not as perfectly sound as they thought.…
MonjieG'day Forts fans!Tournament 32 ended with a blast, with team Artist in a 1v3 crushing their opponents in an uncontested 3-0 finals match! Some great shows of skill, and some luck on a couple doorsnipes from accross the map assured their…
42 scientistG'day Forts fans!Congratulations to Ryabzyk, winner of Season 40. Taking second is Nils, and in third is Александр. While the top 3 places receive Gold, Silver, and Bronze, every eligible player finishing within the top 20 will receive a…
MonjieG'day Forts fans!We're beavering away on the Firebird DLC, so this update is smaller than usual. It mostly includes important fixes, especially to population cap handling and portals. There's also a couple of new scripting functions for…
MonjieG’day, Forts fans!Are you ready for Season 7 of the Forts Pro League? Everyone can sign up for the FPL qualifier stage and registration opens on March 14th! Register your team on Challengermode and Discord following the instructions…
MonjieThis Month's Spotlight: Fortships(by AlexD) Inspired by Airships: Conquer the Skies, this flight-focused mod brings maneuverable aerial warfare into Forts using Suspendium lift, intuitive altitude controls, and a suite of devices built…
MonjieG'day Forts fans!After the great success of the latest Legacy tournament, it is time for a more standard event.Tournament 32 will be a 3v3 High Seas tournament, and will be held on March 28th at 7PM UTC for the first round, and April 4th…
MonjieG'day Forts fans!Last week, emerging from a pool of 16 players fighting for glory, a few fought their way to the top, in the first of its kind Legacy Tournament. Congratulations for Alexandr for winning 1st place in this tournament, where…
MonjieG'day Forts fans!Congratulations to Carrygan (more widely known as Julian), winner of Season 39. Taking second is Александр, and in third is Vykro's Brother (aka Dranistian). While the top 3 places receive Gold, Silver, and Bronze, every…
MonjieG'day Forts fans!After a well earned Christmas break we got back to work. We hope you got to enjoy time with friends and family too.This update features some much needed bug fixes and improvements. The context menu has received some…
MonjieThis Month's Spotlight: Birdies' GUNS(by SamsterBirdies) Birdies' GUNS is a massive weapon expansion built for players who like to push Forts a little (or a lot) past the sensible limit. Adding 50+ weapons and variants, it leans fully into…
MonjieG'day Forts fans!Now that the sixth season of the FPL has concluded, we want to have something a little different in between seasons.For this "Legacy" Tournament, as the name suggests, you will be fighting each other while the game returns…
42 scientistG'day Forts fans!The focus of this update has been game balance. Making early game weapons more compelling and buffing some of the weaker commanders. We've also added a slot system for campaign saves, and made a bunch of important…
MonjieG’day, Forts fans! Congratulations to Goldgoldgold! Winners of the sixth season of the official Forts Pro League. With the addition of the swiss bracket system, every team had to fight against increasingly powerful teams in order to make it…
MonjieG'day Forts fans!Congratulations to Ryabzyk, winner of Season 38. Taking second is Julian, and in third is klaualles. While the top 3 places receive Gold, Silver, and Bronze, every eligible player finishing within the top 20 will receive a…
MonjieG’day, Forts fans!The time has come at last, to decide which team wins it all!FPL Season 6 is coming to an end, but before that, we need to get through the Playoffs! After an extremely intense main stage, 8 teams have emerged, and will have…
MonjieG'day Forts fans! The Forts community has always been full of creative minds building everything from crazy new weapons to full blown gameplay overhauls. These creators shape how we all continue to experience the game, and they often do it…
MonjieG’day, Forts fans!Now that we are almost at the halfway point of FPL Season 6, we would like to show off some matches from the main stage.Speaking of the main stage, it might also be the moment to remind everyone of the structure of this…
Monjie{STEAM_CLAN_IMAGE}/27894275/cb3fa8c45696da1420b4c2c2beeffb304d2dd82e.png Hallowe'en grows nigh, We terrify the dark elves, To stick to their word, To get Firebird on the shelves! With the end in sight, They delight in its heat, But until…
[DEV] BlammoG'day Forts fans!Congratulations to Julian, winner of Season 37. Taking second is Nils, and in third is zebdww. While the top 3 places receive Gold, Silver, and Bronze, every eligible player finishing within the top 20 will receive a Season…
MonjieG'day Forts fans!We've cooked up another update for you, this one long anticipated. The headline items are ranked arbitration and matchmaking by playtime.Ranked ArbitrationAfter much work the ranked arbitration server is now operating. It…
MonjieG'day Forts fans!We're proud to be a part of this year's edition of Melbourne International Games Week! To mark the occasion, Forts is 50% Off until October 9th. Since MIGW25 runs a little longer than the Steam Autumn Sale, you've got a few…
MonjieG'day Forts fans!What do Forts and Airships: Conquer the skies have in common? They both prove the power of the 5 B’s: Better Building Brings Battlefield Benefits. And now, thanks to our collaboration with David Stark, you can get them for…
MonjieG’day, Forts fans!To kickstart the 6th Forts Pro League season, and to better explain how the new swiss bracket works, we will be hosting a streamed opening event with a few matches from the start of the season!These matches will be the…
42 scientistG'day, Forts fans!Today's announcement is a special one. Games are great. We all know that. But did you know they can also be great for your head?Running from 8–15 September, to mark World Suicide Prevention Day, we’re proud to take part in…
MonjieG'day Forts fans!Congratulations to Julian for getting to 1st place in Tournament 31! Against all odds, fighting against the best of the best, even when everyone thought their opponents would win, Julian came on top of the 31st Official…
42 scientistG'day Forts fans!We are happy to announce our next DLC, Forts - Firebird. This new content brings an all new origin story, featuring new lightning and building tech, weapons, commander and more. Head over to the store page to see more and…
[DEV] BlammoG’day, Forts fans!Are you ready for Season 6 of the Forts Pro League? Now using a Swiss style bracket! Everyone can sign up for the FPL qualifier stage and registration opens on August 26th! Register your team on Challengermode and Discord…
42 scientistG'day Forts fans!Congratulations to Der Benzinpreisvergleicher, winner of Season 36. Taking second for the second consecutive season is Julian. And in third in successive seasons is Kriegeule. While the top 3 places receive Gold, Silver…
MonjieG'day Forts fans!Here's another big update to brighten your day.Anti-Air and Weapons BalanceGame balance has been tuned in a few areas. We've taken on the mixed feedback from the last update around the balance of anti-air. Machine guns are…
MonjieG'day Forts fans!After the great success of the latest meme tournament, it is time for a more competitive event, and no format could be better than a straight 1v1 single elimination tournament!Tournament 31 is the first one quitting the…
42 scientistG'day Forts fans!Congratulations to butterdog for getting to first place on the meme tournament!After winning tirelessly through his first couple matches due to unfortunate developments from his opponents having to resign, butterdog beat…
42 scientistG'day Forts fans!Congratulations to first time champion buttedog aim, winner of Season 35, and more than living up to their illustrious name. Taking second for the first time is Julian. And in third is FPL S5 winner Kriegeule. While the top…
[DEV] BlammoEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Forts - Firebird (Original Soundtrack) | WindowsmacOSLinux | 16 Jun 2026 |
| Forts - Firebird | Windows | 16 Jun 2026 |
| Forts - Elite HUD | Windows | 02 Feb 2023 |
| Forts - High Seas Soundtrack | WindowsmacOSLinux | 25 Mar 2022 |
| Forts - High Seas | Windows | 25 Mar 2022 |
| Forts - Pro HUD | Windows | 24 Jun 2020 |
| Forts - Moonshot | Windows | 18 Jun 2019 |
| Forts - Moonshot Soundtrack | WindowsmacOSLinux | 18 Jun 2019 |
| Forts - Soundtrack | WindowsmacOSLinux | 20 Apr 2017 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Forts.exe | windows |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
gameinstall | users/{64BitSteamID} | settings.lua |
gameinstall | users/{64BitSteamID} | keys.lua |
gameinstall | users/{64BitSteamID}/campaign_saves | *.lua and below |
gameinstall | users/{64BitSteamID}/campaign_saves | *.fgs and below |
gameinstall | users/{64BitSteamID}/campaign_saves | *.rkf and below |
gameinstall | users/{64BitSteamID}/campaign_saves | *.bak and below |
gameinstall | users/{64BitSteamID} | trainingMapProgress.lua |
gameinstall | users/{64BitSteamID}/campaign_saves | *.sum and below |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG