Steam app 314650 · updated 12 Sep 2026, 18:30 UTC
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
719 hourly samples, with the daily peak drawn over them. Weekends are shaded.
88 months, June 2019 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.
SpaceEngine was released on 11 Jun, 2019.
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A blank audio cell means full audio was not marked in the returned language list.
50 developer announcements, May 2023 to Aug 2026 · times in UTC
Hey folks! The August update has passed Beta and is now live! This includes some future-proofing work for system builders and ship modelers, as well as catalog adjustments made from community notes and the addition of the first-of-its-kind…
Patch notesHey folks~The next batch of updates and fixes is now available for public testing. This includes some future-proofing work for system builders and ship modelers, as well as adjustments made from community Catalog Notes and the addition of…
Patch notesHey folks!No issues arose from the Beta, so the June catalog update is now live! This update brings a fix to unit conversion for stars with masses defined in kilograms, as well as a fix for artifacts with ship engine effects for those who…
Patch notesHey folks!It's been a busy month for exoplanet data releases, with as many, if not more, than the entirety of Spring!We appreciate the increase in quantity and quality of catalog notes we've been receiving from the community across all…
Patch notesHey folks!The first regular update of the year is now out on the public branch! We've been chipping away at some tricky technical issues, which will be the focus in the patch notes below. The first issue we've resolved is the "function not…
Patch notesHey folks!Thanks for the feedback and reports from the Beta branch. We’ve made some tweaks to the Beta that, barring any issues, should move to public very soon. The focus of this patch is to iterate on our file path changes and give folks…
Patch notesHey folks!The first regular update of the year is now available on the beta branch. In this update are two major changes: file paths and video encoding. Each is outlined below, and all of this information will be permanently housed on the…
Patch notesHey folks!We've been at work behind the scenes on something many have been waiting for: merch! This first collection primarily features the classic blue SpaceEngine logo, as well as iconic scenes, like objects from our Solar System. On…
JonathanHey Folks!With Beta formalities concluded, our tiny patch is now on Public. Just a quick fix, plus the monthly serving of catalog updates~Carrying over the fun fact from the Beta: if you've been wondering where the host stars are in the…
Patch notesHey folks!We're squeezing in one more tiny patch before the holidays, with monthly catalog additions and a fix. This Beta window serves as a brief sanity check (To opt in, go to Steam Library, right click SpaceEngine, then click Properties>…
Patch notesHey folks!Our next major patch, 0.991: The Universe Generation Update, is now live! This update brings major changes to SpaceEngine’s procedural generation systems, elevating all things beyond the known universe and breaking from the…
JonathanHey folks!Today's Beta update brings you the second (and tentatively final) wave of fixes that affect generation, meaning yes, the universe will be resetting once more! Our focus is on fixing bugs introduced with 0.991, specifically, as…
Patch notesHey folks!Thanks for all the bug reports and feedback with the 0.991 beta! We're tracking everything coming in and have a first wave of fixes for you for further testing. As we warned with the original beta drop, this update will once again…
Patch notesNOTICE: This Beta involves a Universe reset. Many of your saved locations from 0.990 will not work in this version. Use caution, and label your old locations!Hey folks!We're opening the gates on 0.991 with an extended Beta to ensure…
Patch notesAuthors: Dr. Megan, Sean, Jonathan, and Brendan Note: you can view the blog full blog post on our website for more images, interactive image comparisons, and more. Hey folks! In preparation for the public release of the Universe Generation…
HarbingerDawnHey folks!We’re heads-down on improvements while we prepare our next major release, 0.991: The Universe Generation Update! The team has been hard at work behind the scenes on all things procedural, bringing you a slew of improvements and…
JonathanHey folks!Beta has come back stable, so your monthly dose of catalog additions is now on the public branch!This build includes a fix for brown dwarf properties being affected by your display mode (HDR and Auto/Manual exposure settings), and…
Patch notesHey folks!Staying cool? Remember to take breaks and stay hydrated if you live in warmer areas! We have another Beta prepared to keep you inside with the usual helping of fixes and catalog updates.Like with all Betas, you'll need to opt in…
Patch notesHey folks!No new bug reports from the Beta branch, so we're pushing to public! This build brings your usual helping of catalog additions/fixes while work continues on larger future updates (when we have more to show, we will!)Some users…
Patch notesHey folks!Any enthusiasts attending CASCA 2025 may have spotted some SE team members in attendance! A big thank you to all the interest in our humble space sim~The team is back now with the next round of catalog updates for the Beta branch.…
Patch notesHey folks~ The weekend Beta came back clean, so we're pushing to public! We're happy to see an increase in catalog reporting by the community. Please keep it up! In this update, the Galaxy IC 1101 is now a Black Hole host, with its central…
Patch notesHey folks! Business as usual with fixes and catalog updates for this smaller Beta round. One notable change included with this update is that the Galaxy IC 1101 is being converted into a black hole host thanks to the diligent reporting by…
Patch notesNo issues detected in the Beta branch, so we're pushing the update to public! Here's the relevant news from the Beta post: This month had a lot of extra catch-up between the usual exoplanet updates, more behind-the-scenes updates (as teased…
Patch notesHey folks! This month had a lot of extra catch-up between the usual exoplanet updates, more behind-the-scenes updates (as teased during our anniversary post in case you only read Steam notes), and the very exciting discovery of over a…
Patch notesNothing major cropped up over the weekend, so we're clearing the Beta build for public release! This update brings fixes for some known issues with temperature ranges, along with a healthy serving of new exoplanets. Also new with this set…
Patch notesHey folks! This Beta brings various fixes that will require testing before moving to public. Items we really want to ensure are working are highlighted in bold! We're also experimenting with a small format change to patch notes to better…
Patch notesSpaceEngine has always held true as both a scientific tool and chill exploration sim. Users can pick it up and put it down as long as desired with no save points or time pressure, like a malleable atlas of the universe in a digital library.…
JonathanHey folks! No surprises from the beta, so moving straight to public with the latest update! We're bringing the usual catalog updates, as well as a new config parameter, ShowSeizureWarning, to enable/disable the bootup seizure warning. This…
Patch notesHey folks! We're starting the year off with one of our regularly scheduled catalog updates. This brief beta serves as a safety net in the case anything catches on fire, so send any bug reports through the usual channels (#bug-reports on…
Patch notesThanks for the Beta testing, folks! The highly anticipated Climate Model improvements are ready to go live! Thank you to all of our beta testers and community members for your useful feedback. We particularly enjoyed seeing all of the fun…
JonathanHey folks! With magnitudes fixed, we're giving the Climate Model some more love! You can expect better accuracy with regards to temperatures and wind speeds (see the Changelog for specifics) among the usual bug squishing efforts! As always…
Patch notesHey folks! We didn't see any new issues pop up in the Beta, so the previous JuMBO catalog update is back, sans magnitude issues! For anything that slips through the cracks, please continue to report bugs and issues on the Discord and Steam…
Patch notesHey folks! We have reverted the bug that was causing magnitudes to display wildly incorrect values. The change was intended to be an accuracy improvement, but it wasn't playing nice with existing calculations. While fixing the bug, we…
JonathanWe have received a lot of reports of issues with the display of magnitudes for planets and other non-Star objects after the last release. We have rolled back to the previous version on the main branch while we work on a fix. Thank you for…
Patch notesHey folks! We're bringing your monthly dose of catalog updates, featuring several recently discovered JuMBO's in the Trapezium cluster! If your first thought was of overly large trapeze swings, you're not alone. Dr. Megan has written up a…
Patch notesChangelog (0.990.48.2034): Increased precision for physical and rotational parameters in exported exoplanet and star scripts Fixed bug with loading/saving workshop addons list when an addon had a quote mark in its name Fixed crash in the…
Patch notesChangelog (0.990.48.2032): Fixed a bug that crashed tutorials Updated localizations Updated the exoplanet and host star catalog (new planets/hosts, updated distances to hosts) Updated the Pleiades cluster and Orion Trapezium Cluster star…
Patch notesHey folks! Thanks again for your diligent Beta testing! Today we're bringing the High-Resolution Screenshot Tool to public, enabling you to take a screenshot of any reasonable (or unreasonable!) resolution, even if you have less than…
JonathanHey folks! It's been five years to the day since SpaceEngine was released on Steam. We're celebrating this milestone with the addition of a high-resolution screenshot tool, letting you capture the universe in greater detail than ever…
JonathanThanks to everyone who partook in the Beta! The public release has a few more additions which will be highlighted along with the patch notes from the Beta. Dr. Megan highlighted one of the new exoplanets, as well as two new black hole…
JonathanHey folks! Hope you enjoyed the eclipse! The ongoing refactoring process still demands high commitment, but we wanted to get something out to address the new science and add our newest exoplanetary neighbors as our work continues! Dr.…
Patch notesThis small patch adds another check to the shader compiling process, and automatically disables old Workshop addons which have invalid or incompatible shader pak file encryption. Changelog Workshop addons with incompatible shaders or shader…
Patch notesToday’s update includes several smaller updates to several SpaceEngine features. The first is a major exoplanet catalog expansion. We have added 336 new exoplanets, 214 new exoplanet host stars, eight new brown dwarfs/stellar binaries, and…
SpaceEngineerRecently, we announced the addition of a Climate Model to SpaceEngine, which introduced global temperature maps, local pressures, local densities, wind speeds, and more, affecting planets, moons, and asteroids. An overview of the Climate…
ArcturusAuthor: Dr. Megan Tannock Have you ever wondered how the temperature might vary across different parts of the surface of your favorite planet or moon as the sun sets, or as you travel from the equator to the poles? Wonder no more! We have…
astrogal27Hey folks, First: We're sorry, and want to apologise to our community for the inflated prices which were listed in some regions. We recently raised our prices due to several factors (inflation, under-pricing in several areas, team…
Patch notesBuild 0.990.46.1975 Fixed crash at startup on Intel HD (released in previous silent hotfix) Fixed color inversion bug in VR on AMD Radeon Fixed bright artifacts in the bloom effect at 4k+ resolutions on AMD Radeon Updated localizations
Patch notesHave you ever tried to find a beautiful alignment of multiple moons in the sky of some random procedural planet to take a nice screenshot? Or find a triple solar eclipse on an alien gas giant? Or find all transits by Venus of the Sun’s…
HarbingerDawnToday's small update 0.990.46.1965 is mostly bugfixes. Highlights include fixing Intel Iris Xe graphics crashing on startup, and (we hope!) a fix for the issue of flickering stars experienced by some users (this issue is very difficult to…
Patch notesToday's small update 0.990.46.1965 is mostly bugfixes. Highlights include fixing Intel Iris Xe graphics crashing on startup, and (we hope!) a fix for the issue of flickering stars experienced by some users (this issue is very difficult to…
Patch notesEverything 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 |
|---|---|---|
| SpaceEngine - Pluto System HD | Windows | 11 Jun 2019 |
| SpaceEngine - Neptune System HD | Windows | 11 Jun 2019 |
| SpaceEngine - Uranus System HD | Windows | 11 Jun 2019 |
| SpaceEngine - Saturn System HD | Windows | 11 Jun 2019 |
| SpaceEngine - Jupiter System HD | Windows | 11 Jun 2019 |
| SpaceEngine - Asteroids HD | Windows | 11 Jun 2019 |
| SpaceEngine - Moon HD | Windows | 11 Jun 2019 |
| SpaceEngine - Mars HD | Windows | 11 Jun 2019 |
| SpaceEngine - Earth HD | Windows | 11 Jun 2019 |
| SpaceEngine - Venus HD | Windows | 11 Jun 2019 |
| SpaceEngine - Mercury HD | Windows | 11 Jun 2019 |
| SpaceEngine PRO | Windows | 11 Jun 2019 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Desktop | system\SpaceEngine.exe | -mode=2D | windows 64 | |
| Oculus Rift | system\SpaceEngine.exe | -mode=VR_Oculus | windows 64 | |
| Steam VR (HTC Vive & Mixed Reality) | system\SpaceEngine.exe | -mode=VR_OpenVR | windows 64 | |
| Workshop configuration and uploading tool | system\LaunchPad.exe | windows 64 |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG