
Screenshots

Watch trailer on Steam ↗ISS Simulator
Spacedata.inc, 株式会社スペースデータ · Published by 株式会社スペースデータ
Mostly Positive — 79% positive (95 reviews)
Last updated 29 Sept 2026
The ultimate space simulator game, precisely modeling the space and space environment inside the International Space Station (ISS).
Simulation, Free To Play · 2024 · More free games
Embark on a free-to-play journey through the International Space Station's intricate systems. Developed by Spacedata.inc, this simulation offers an authentic space experience set for release in 2024.
About this game
Experience the realism of space!”
This is the ultimate space simulator game, precisely modeling the space and space environment inside the International Space Station (ISS) under the supervision of JAXA. Gravity, inertia, and orbital mechanics based on realistic physical laws await the player in realistic space. Experience firsthand the tension of moving in zero gravity, operating real space equipment, and executing missions.
Features:.
Realistic space design supervised by JAXA
Simulation of physical phenomena in space as close to reality as possible
Interactive environment with faithful reproduction of the ISS interior and attention to detail
System Requirements
Will my PC run this? →Minimum
- OS: Windows10/11
- Processor: 2.0 GHz or faster multi-core processor
- Graphics: GeForce GTX 1070
Recommended
- OS: Windows10/11
- Processor: Quad-core Intel Intel or AMD, 2.5 GHz or faster processor
- Graphics: GeForce RTX 3090
Supported Languages
Latest news
Patch NotesOfficial
Update Ver1.3.0
◆ Lighting ImprovementsEnhanced all interior lighting to achieve lighting effects closer to the actual ISS interior.Revised sunlight processing to reproduce natural and dynamic light changes.◆ Control ImprovementsAdded a camera control switching function, enabling selection of viewpoint controls (changeable via menu).Display module names during interior movement to aid structural understandingReduced operational load through adjustments to interior objects◆ Bug FixesPerformance improvementsRead full article on Community Announcements (genta.ishikawa)Patch NotesOfficial
Update Ver1.2.1
Read full article on Community Announcements (genta.ishikawa)Patch NotesOfficial
Update Ver1.2
(Updated February 2025) Addition of water simulation function A simulation that realistically reproduces water behavior has been implemented. The following four patterns of water behavior can be experienced Water vs Water (Merge) Water merges with each other Water vs Water (Split) Water splits Water vs Ball (Rebound) Water hits a sphere and is reflected Water vs Ball (Penetrate) Water penetrates a sphere The water simulation can be accessed from a PC near the intoball in Kibo. It can be easily manipulated through the interactive UI. Improved visuals Exterior is now visible from the cupola and from the kibo. Gameplay improvements The appearance of the control robot is now intball2. Summoned robots now look like intball2. Bug fixes The brightness of the lights in the ship has been adjusted to the proper brightness. Unnecessary intballs are now automatically deleted to avoid the intball proliferation bug.Read full article on Community Announcements (genta.ishikawa)Patch NotesOfficial
Ver1.1 Update
<Bug Fix> Improved judging of hit detection Fixed a mistake in operation explanation. Improved UI layout. Fixed a bug that the direction of the sun and the position of the light source hitting the earth were opposite. <Additional Features> Added Japanese language support. Added language setting. Changed the loading screen so that an operation explanation is displayed at the start of the game. The camera is now transparent when the player is close to the camera. Pause the game while the menu screen is displayed. Vertical synchronization is now supported. Vertical synchronization can be selected from settings. The loading screen has been changed. Fixed a bug that prevented operation when switching between full screen mode and window mode. Translated with DeepL.com (free version)Read full article on Community Announcements (genta.ishikawa)






