Steam app 220200 · updated 25 Oct 2026, 15:18 UTC
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
718 hourly samples, with the daily peak drawn over them. Weekends are shaded.
165 months, March 2013 to November 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.
23 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
30 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, 567 hourly samples from 08 Oct, which is as far back as the source keeps every hour. Weekends are shaded.
7 days as the curve, each the highest figure that day. Behind it, 151 hourly samples. Each dip is a night. Weekends are shaded.
| Language | Full audio |
|---|---|
| English | |
| Spanish - Spain | |
| Simplified Chinese | |
| Japanese | |
| Russian | |
| French | |
| Italian | |
| German | |
| Portuguese - Brazil |
A blank audio cell means full audio was not marked in the returned language list.
Cinematic Trailer (Multi)
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CommNet Trailer (Multi)
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Away with Words (Multi)
Watch on Steam50 developer announcements, Feb 2018 to Aug 2025 · times in UTC
Official KSP plushies are now available to pre-order for the next 4 weeks only: https://youtooz.com/collections/kerbal-space-program. Get them before they are gone forever!
jeffl{STEAM_CLAN_IMAGE}/35665816/d070ce0e2ca249411cdff4e1f4a546b59ba88f3d.jpg Happy Summer, Kerbonauts! 🔆 Kerbal Space Program 2 is at a discounted price of 20% off until July 13th at 1PM ET. Join us in the Early Access journey into the stars…
mikeyKerbonauts, it’s finally time! Kerbal Space Program 2 blasts off into Early Access today! Pioneer the game with us as we enter the deep space journey of Early Access. Your feedback and suggestions can help shape the future of the game. Make…
mb_pdHello Kerbonauts! We are pushing an update to the launcher today. Most notably, the launcher will no longer remain open or run in the background after you launch Kerbal Space Program. We are also adding an optional PD Account login flow.…
Patch notesHey Kerbonauts, our Official Discord is now live! Join today and get ready for the launch of KSP2! Join here: Intercept Games Discord {STEAM_CLAN_IMAGE}/4463399/2637c8025fc8a7af0c27b1a48d60eb6e3ddca87a.png
Ghostii_space{STEAM_CLAN_IMAGE}/4463399/1be7e0b94cd354de2bf0c17cbbfb40bac8fd3d1b.png ChangeLog: =================================== v1.12.5 ============================================================ +++ Improvements * Added something...on Mun.
Patch notesHello Kerbonauts! We here at mission control are happy to launch patch 1.12.4 on Wednesday November 2nd, 2022 which addresses the long awaited tutorial bug fixes! We have also squashed an Alarm Clock bug that ignored custom day/year…
Patch notesHello Kerbonauts! Kerbal Space Program 1.12.3 is live! This small patch addressed drifting issues with robotic parts and rotating docking ports. Check out this patch's Changelog for further details: ==================== v1.12.3…
Patch notesHello Kerbonauts! Kerbal Space Program 1.12.2 is live! This patch focuses on fixing over 90 bugs and adding a few improvements to the game, such as a locking functionality to docking node rotations that allows autostruts to cross over…
UomoCapra{STEAM_CLAN_IMAGE}/4463399/a6805a6f5be01021e997a22789a8255d8d71f8f5.jpg Hello everyone! Today we wear our party helmets to celebrate the 10th anniversary of the first publicly released version of Kerbal Space Program, as well as the launch…
UomoCapra{STEAM_CLAN_IMAGE}/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP franchise, then this is the place to be! And now…
UomoCapra{STEAM_CLAN_IMAGE}/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP franchise, then this is the place to be! And now…
UomoCapraHello Kerbonauts! Kerbal Space Program 1.11.2 is live! This small patch focuses on fixing a few remaining bugs from the last update that were causing some headaches to players. Check out this patch's Changelog for further details…
Patch notesHello Kerbonauts! Kerbal Space Program 1.11.1 is live! This patch includes a few improvements to the base game, such as the ability to use multiple kerbals to assist engineers moving heavier parts in EVA Construction Mode. Additionally, the…
Patch notes{STEAM_CLAN_IMAGE}/4463399/c76f1d3d0ba9c72243c8bb92c70781a3246d42fc.png Hello everyone! Gear up Kerbonauts, engineers are required for some in situ reassembling! Stack up your inventory with parts and tools in order to prepare for any…
daniele.peloggio{STEAM_CLAN_IMAGE}/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP franchise, then this is the place to be! And now…
daniele.peloggio{STEAM_CLAN_IMAGE}/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP franchise, then this is the place to be! First of…
daniele.peloggio Hello everyone! Kerbal Space Program 1.10.1 is live! This patch contains several bugs fixes related to the 1.10 update. Check out this patch's Changelog for further details: =================================== v1.10.1…
Patch notes{STEAM_CLAN_IMAGE}/4463399/c8747172349b77b96426e073e9800d69fa518ae5.png Hello everyone! The European Space Agency (ESA) and Kerbal Space Program have come together to bring you brand new content, including the ESA space-suit texture, new…
daniele.peloggio{STEAM_CLAN_IMAGE}/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP franchise, then this is the place to be! Kerbal…
daniele.peloggioHello everyone! Kerbal Space Program 1.9.1 is live! This patch focuses mainly on solving issues encountered in the base game and both the Making History and Breaking Ground Expansions. Check out this patch’s Changelog for further details…
Patch notes{STEAM_CLAN_IMAGE}/4463399/d4ce63b57cfe0dc8cf4344f673a2745965ddde84.png Hello everyone! Kerbalkind has been exploring the vastness of the Kerbolar System for many years: they’ve explored the surfaces of planets and moons, encountered…
daniele.peloggio{STEAM_CLAN_IMAGE}/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP franchise, then this is the place to be! Kerbal…
daniele.peloggio{STEAM_CLAN_IMAGE}/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP franchise, then this is the place to be! Kerbal…
daniele.peloggioHello everyone! Kerbal Space Program 1.8.1 is live! This patch focuses mainly on solving issues encountered in the base game and both the Making History and Breaking Ground Expansions. Check out this patch's Changelog for further details…
Patch notes{STEAM_CLAN_IMAGE}/4463399/927834f1eafe7a6f0aab62a3574b237011a41642.jpg Hello everyone! New gadgets are coming from the Research and Development facility, the kind that will get Kerbals screaming: MOAR BOOSTERS!!! A brand new update is here…
daniele.peloggio{STEAM_CLAN_IMAGE}/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP franchise, then this is the place to be! A new DLC…
daniele.peloggiohttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! If you want to learn about all the current developments of the KSP…
daniele.peloggioHello everyone! Kerbal Space Program 1.7.3 is live! In this patch we focused on taking care of additional details of both 1.7 and the Breaking Ground Expansion. We’ve fixed nearly 40 bugs for this patch, and we added brand new features…
Patch notesHello everyone! Kerbal Space Program 1.7.2 is live! In this patch we focused mainly on improvements and bug fixes for the Breaking Ground Expansion. We’ve included an animation for Kerbals when they interact with Deployed Science…
Patch noteshttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/163891d8c877928924cccbf3ffd07696f40c82e5.png Explore the Kerbal Universe like never before with Kerbal Space Program: Breaking Ground, the latest expansion pack for…
daniele.peloggiohttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading…! Do you want to learn about all the current developments of KSP? Here’s…
daniele.peloggiohttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/163891d8c877928924cccbf3ffd07696f40c82e5.png Brand new downloadable content for Kerbal Space Program is on its way! Filled with new content and features, Kerbal…
daniele.peloggiohttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/3ed178db38fd7477e3913ab76901c486e0908ccd.png Hello everyone! A new technology has arrived to the KSC and with it, Kerbals will only get more Room to Maneuver! We’re…
Patch noteshttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to our official newsletter, KSP Loading… ! Do you want to learn about all the current developments of KSP?…
daniele.peloggioDear Kerbal Space Program community, Take-Two Interactive has been updating its End User License Agreements and the Kerbal Space Program EULA is changing soon as a part of that process. Open communication with the Kerbal Space Program…
daniele.peloggiohttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png We are sad to hear that after 14 years and 293 days (55 times longer than its planned lifetime) exploring the surface of…
daniele.peloggiohttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/26d8a86ba3bf2d14d98f38a1d40ab1ecc6150ce1.png Hello everyone! Kerbal Space Program 1.6: To Vee or not To Vee has launched and unlike Hamlet we know the answer - it is…
Patch noteshttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to the second edition of our official newsletter, KSP Loading… ! Do you want to learn about all the current…
daniele.peloggiohttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/22dc74849d2f4cd732ff30c917eee4a928fd666a.png Welcome to the first edition of our official newsletter, KSP Loading… ! Do you want to get the latest news about…
daniele.peloggiohttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/4463399/803a1284f716f02e64d852d1706a12b4d94ba9a1.png Hello everyone! Kerbal Space Program 1.5 Dressed for Success has launched and with it we bring new content that brings…
daniele.peloggioHello everyone! Kerbal Space Program 1.4.5 and Making History 1.4 is live! This patch includes various improvements and bug fixes for both the base game and the Making History Expansion, as well as a number of amends to the in-game…
daniele.peloggioOver the last couple of months, many of you have been asking questions about privacy, the EULA, and how Take-Two (T2) collects personal data and other information from KSP players. We hope this update provides some clarity for the…
daniele.peloggioHello everyone! Kerbal Space Program 1.4.4 and Making History 1.3 is about to be launched! This patch includes various improvements and bug fixes for both the base game and the Making History Expansion, as well as language corrections.…
daniele.peloggioPatch 1.4.4 is on its way and with it various improvements and fixes such as language corrections, FX improvements, and more! As part of our commitment to continue supporting and improving upon KSP, 1.4.4 will add some cool and previously…
daniele.peloggiohttp://cdn.edgecast.steamstatic.com/steamcommunity/public/images/clans/4463399/b292a32f865db5faec6167ce1e85668354a86026.png Kerbal Space Program makes history today with the launch of its first expansion! Kerbal Space Program: Making…
daniele.peloggiohttp://cdn.edgecast.steamstatic.com/steamcommunity/public/images/clans/4463399/b292a32f865db5faec6167ce1e85668354a86026.png Kerbal Space Program makes history today with the launch of its first expansion! Kerbal Space Program: Making…
daniele.peloggiohttp://cdn.edgecast.steamstatic.com/steamcommunity/public/images/clans/4463399/7e23302b9d316dad1e53b7cf632976d6d77e0345.jpg Continuing the endeavor of bringing KSP to as many people as possible, we are proud and excited to announce the…
daniele.peloggiohttp://cdn.edgecast.steamstatic.com/steamcommunity/public/images/clans/4463399/7e23302b9d316dad1e53b7cf632976d6d77e0345.jpg Continuing the endeavor of bringing KSP to as many people as possible, we are proud and excited to announce the…
daniele.peloggioPlease note that the EULA for Kerbal Space Program will be changed on March 6, 2018. Please read this agreement in its entirety. You must agree with the terms of the EULA including the Privacy Policy and Terms of Service to play Kerbal…
daniele.peloggioEverything 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 |
|---|---|---|
| Kerbal Space Program: Breaking Ground Expansion | WindowsmacOSLinux | 30 May 2019 |
| Kerbal Space Program: Making History Expansion | WindowsmacOSLinux | 13 Mar 2018 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch KSP | KSP.app | macos | ||
| Launch KSP (64-bit) | KSP_x64.exe | windows 64 | ||
| Launch | KSP.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 |
|---|---|---|
gameinstall | saves | *.sfs and below |
gameinstall | saves | *.craft and below |
gameinstall | Missions | *.mission and below |
gameinstall | Missions | *.craft and below |
gameinstall | Missions | *.png and below |
gameinstall | Missions | *.jpg and below |
gameinstall | thumbs | *.png |
gameinstall | Ships | *.craft and below |
gameinstall | Ships | *.png and below |
gameinstall | Missions | *.loadmeta and below |
gameinstall | saves | *.loadmeta and below |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPaythanks-kintaro@outlook.com0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG