Steam app 2147380 · updated 12 Sep 2026, 21:17 UTC
A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.
456 hourly samples, with the daily peak drawn over them. Weekends are shaded.
24 months, October 2024 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, 316 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, 140 hourly samples. Each dip is a night. Weekends are shaded.
Heroes of Science and Fiction was released on 17 Mar, 2026.
Cartoon violence.
| Language | Full audio |
|---|---|
| English | |
| French | |
| German | |
| Spanish - Spain | |
| Czech | |
| Polish | |
| Simplified Chinese | |
| Hungarian | |
| Portuguese - Brazil | |
| Russian |
A blank audio cell means full audio was not marked in the returned language list.
Heroes of Science and Fiction - Release Trailer
Watch on Steam
Heroes of Science and Fiction - EA trailer
Watch on Steam
Heroes of Science and Fiction - Announcement Teaser Trailer (Silence of the Siren)
Watch on Steam67 achievements in total.
50 developer announcements, Aug 2023 to Sep 2026 · times in UTC
Hello everyone! We know we've been quiet over the summer while we were away on holiday, but the new school year has started and everyone is hopefully refreshed and back at the office. Our hands are full working on the upcoming faction DLC…
duf_oxymoronhotfix 20/07/2026
Patch notesHello everyone! Summer - time of vacations is upon us (at least here in Europe), but even if we are planning to spend some time outside soon, preferably with cold drink in hand, we present you another smaller update. Check it out and have a…
duf_oxymoronHello everyone, Big day for Heroes of Science and Fiction! Quite recently, we've released our latest game update and what would you know? It's already time for another one! Today, we're dropping Update #8, and a brand new Map Pack DLC, all…
duf_oxymoronHi everyone! We're hard at work putting the finishing touches on our upcoming DLC, while also polishing new content and quality of life improvements for the next major update, which is coming soon. In the meantime, to make the wait a little…
ja_oxymoronHi everyone! As work on the game continues, we're happy to bring you yet another regular update of Heroes of Science and Fiction! What's included? New features including the quick battle dialog, some new music, more optimizations and quite…
Oxymoron GamesWe're happy to announce a new update of Heroes of Science and Fiction, this time with more features (and no fewer bugfixes). :) Also, we have a small roadmap update to give you a better idea what features and content is coming in the…
Oxymoron GamesHi everybody, while our tech team keeps working on fixes, optimizations and multiplayer features, we have some small news from our main artist. :) Heroes of Science and Fiction now has the full set of community items, including trading…
Oxymoron GamesHi everybody, with just over a week since the launch of the full version of Heroes of Science and Fiction, we have a quick update for you about how everything went - plus some more related news! First, big thanks to everybody who got the…
Oxymoron Games{STEAM_CLAN_IMAGE}/43007216/610b8faa443291f91e1a3ef399b62f9d61a56d42.jpg Hi, everyone! We're happy to announce that Heroes of Science and Fiction 1.0 is finally here! After over a year in Early Access, the final update has arrived and the…
Oxymoron GamesHi, we're excited (and slightly nervous) to announce that we have the first version of online multiplayer ready to be tested by the community! The main purpose of this test is to catch all remaining critical bugs and to get to a stable…
Oxymoron GamesSave the date! :) After over a year in Early Access and after 12 game updates that brought new factions, campaigns, map editor and more, we are excited to announce the release date of Heroes of Science and Fiction 1.0 - one month from now!…
Oxymoron GamesHi everybody! With the finish line in sight, let us give you one more detailed update about our progress towards the full release of Heroes of Science of Fiction! Apologies you have not heard from us much in the last few weeks, but…
Oxymoron GamesHi everybody, It's hard to believe the end of the year is upon us once again! So, let us take the opportunity to wish you all Happy Holidays and relaxing times with your loved ones! Looking back at 2025 - what has the Oxymoron team been up…
Oxymoron GamesHi everybody, we managed to prepare one more game update for you before the Holidays! This time the main focus is game balance, but there are also quite a few new items, creatures and a map with a twist. As usually, this is not all that…
Oxymoron GamesHi everybody, great news today! We just released the next major content update for Heroes of Science and Fiction with both a new factions and a new campaign! We hope you'll enjoy the new content and all the included improvements! Trailer…
Oxymoron GamesOf alien parasites and the history of fear. "Siren System natives. Hostile, creepy, sort of parasitical body snatchers. But as far as I know, they avoid human hosts." (Sovereign Fleet Captain Annika Finch) "Autopsy of sentient alien…
Oxymoron GamesHi everybody, we're happy to announce that we just released the next major content update for Heroes of Science and Fiction! The main focus is on the new Psyker skill and the PSY combat abilities it brings, but there are also new maps…
Oxymoron GamesHi everybody, we have some big news today: the next major update is out, with the Map Editor & Workshop, a beta version of the much requested Random Map Generator, new maps, units and features!To address the elephant in the room first…
Oxymoron GamesHi everybody, we managed to get the editor to a ready-to-be-tested state relatively early, so we're happy to share it a bit in advance compared to the release of the next update.So, what is included? Well, this is really all about the map…
Oxymoron GamesHi everybody, we're happy to bring you the next Early Access content update of Silence of the Siren! This version brings new maps, content and various fixes and improvements. In the meantime, the team is also working on the "next big…
Oxymoron GamesHi everybody, the biggest update of Silence of the Siren so far has just dropped! Say hello to the UNSS faction coming all the way from the distant Solar System and enjoy the second campaign that the team has worked hard on in the last few…
Oxymoron GamesThe United Nations of the Solar System have governed humanity for several decades now. Their influence reaches from the tops of sky-scraping arcologies that house some of the largest corporations to the bottoms of craters on distant moons…
Oxymoron GamesWinter Planetary Update Hi everybody, we're happy to announce that the second update from the Winter roadmap is out! New maps, units and a lot of improvements, while we're also finishing the UNSS faction for the upcoming big expansion…
Oxymoron GamesHi everybody! While we are busy working on more content for the bigger updates planned for February and March, in the meantime here's a smaller patch with some fixes and translation updates. Community translations Added Russian community…
Oxymoron Games{STEAM_CLAN_IMAGE}/43007216/c40465873da33d6549af8ff0e43ed2ef083a68e6.png Hi everybody, As every year, we would like to wish all of you Happy Holidays and also give you a bit of an update about how things have been going at Oxymoron Games.…
Oxymoron GamesHi everybody! As we've recently enabled and tested this feature, here's a quick guide how to set up Silence of the Siren hot-seat multiplayer as an online game with your friends using Remote Play Together. Setup - "host" side Shift + Tab to…
Oxymoron GamesFestive Features Update Hi everybody, we're very happy to bring you the first update from the Winter roadmap. Features, fixes, new skills and a big balance update! We hope you will enjoy the game over Holidays - and let's jump straight to…
Oxymoron GamesAs the Early Access development continues, we're happy to share more details about what is coming in the nearby future! Apart from smaller patches with bugfixes, these will be the bigger feature and content updates that you can look forward…
Oxymoron GamesHi everybody, the third patch of Silence of the Siren is now live on Steam! The update brings the usual round of improvements and fixes of issues we gathered from reports on Discord and also here in Discussions. We're mostly done with our…
Oxymoron GamesHi everybody, the second patch of Silence of the Siren is now live on Steam! While this update contains mostly fixes of issues we gathered from reports on Discord and also here in Discussions, the art and design team have also been busy in…
Oxymoron GamesHi everybody, First, thanks to all of you who bought the game on launch and also for all the positive reviews, much appreciated! Today we have the first "regular patch" for you, an update that fixes most of the recently reported issues. We…
Oxymoron GamesHi everybody, exciting times! Silence of the Siren launches in Early Access on Monday! For us this marks an important point of a ~4 year development journey and you can imagine how excited we are to finally see our game released into the…
Oxymoron GamesOnly 4 days left until Silence of the Siren launches in Early Access! We are excited to show you a brand new trailer made for the occasion. Give it a watch and tell us what you think! :)
Oxymoron GamesSit close to the fire, my young friends! Take a sip of beer and listen to what I have to say to those young ears of yours, because the story of Sovereign Fleet is about old men and even older grudges. And about crazy aliens, yes, about…
Oxymoron GamesIn today's post we'd like to go just a tiny bit more technical than usually. Let's peek a bit behind the scenes and let's have a look at a few features we're particularly happy with how they turned out. And we'll of course also mention why…
Oxymoron GamesIn Silence of the Siren you're not limited to taking over the existing buildings on the map. There are a few useful structures that your commanders can construct to defend your territory, boost your income or surprise your enemies. The…
Oxymoron GamesIn this (pre-recorded) one hour stream we play a skirmish map and show a couple of playable factions from the distant Siren star system. Come check out some of the interesting mechanics and features in this upcoming turn-based strategy game…
Oxymoron GamesIn this (pre-recorded) one hour stream we play a skirmish map and show a couple of playable factions from the distant Siren star system. Come check out some of the interesting mechanics and features in this upcoming turn-based strategy game…
Oxymoron GamesHi, we're happy to announce that a big update of the Silence of the Siren demo is already up for everybody to try and it brings a new map which is not only fun to play, but also showcases quite a few new features. Let's have a look: Going…
Oxymoron GamesHi everybody, big news today! We have set the official date for the EA release! The game will be out on the 30th of September this autumn. {STEAM_CLAN_IMAGE}/43007216/513fdecced165da7d5332bc2cbdc77ff48662961.png It's been a long journey…
Oxymoron Games"The militant religious order of fanatical man-size insectoid full-body cyborgs" is the most compact description of the Children of the Source. Of course, it is not the same answer as the typical member of the order would give you. And the…
Oxymoron GamesHi everybody, We're happy to introduce the first update to the demo version of Silence of the Siren. This is mostly a patch with some important fixes but it also brings a couple of features that were most requested on Discord and Steam…
Oxymoron GamesHi, we're excited to announce that a public demo of Silence of the Siren is now available on Steam! Go give the game a try yourselves and lead a group of Fossorians (Space Moles) to victory on one of the most colorful maps we made so far!…
Oxymoron GamesHello everybody, It looks like it's time to slowly wrap up 2023 and like every year, let us take this opportunity to wish you a Merry Holiday and a Happy New Year! Also, we would like to thank everybody who bought Project Hospital during…
Oxymoron GamesHi everybody! We started the closed beta for Silence of the Siren with our discord community members last week and after three updates and a lot of bugfixes we are ready to invite more people! So, if you'd like to try out an early but…
Oxymoron GamesJoin us today at 19:00 CET for the first developer stream of our upcoming turn-based strategy game Silence of the Siren. Our PR and Community Manager Vojta will guide you through the game mechanics, providing insights gained from months of…
vojta.oxymoronIn today’s development update we’re going to have a look at some nifty features and quality of life improvements we’ve already added to Silence of the Siren in the early stages of development. Let’s start once again at a Fossorian base. 1.…
Oxymoron GamesIf somebody wrote a Fossorian Encyclopedia, the cover of the book would display cute space moles dressed in ornate uniforms in front of a pompous military parade in the background. Row after row of soldiers marching in tight formations…
vojta.oxymoronWe are happy to show you the first commented gameplay video of Silence of the Siren. In this playthrough we focus on the main features - exploration, base management and battles. We hope it will give you more insight about what to expect…
vojta.oxymoronEverything 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 |
|---|---|---|
| Heroes of Science and Fiction - Typhon Map Pack | WindowsLinux | 22 Jun 2026 |
| Heroes of Science and Fiction Soundtrack | WindowsmacOSLinux | 19 Dec 2024 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Silence of the Siren.exe | windows 64 | ||
| Launch | silence_of_the_siren.x86_64 | linux |
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 |
|---|---|---|
WinAppDataLocalLow | Oxymoron Games/Silence of the Siren/Saves | * |
WinAppDataLocalLow | Oxymoron Games/Silence of the Siren/Autosaves | VICTORY* |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG