Announcement
v0.10.0🍀🏁🎉v0.10.0.3 - ancient "image.node" crash probably fixed
image.node module not found - crash probably fixed without Windows reinstall camera follow bug - fixed again
Steam
Space Simulation Toolkit
Also known as Space Simulation Toolkit, space simulation toolkit, space-simulation-toolkit
Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.
Last update
18 Jun 2026
Players now
9
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- June 2026
- 6 YEARS OF EARLY ACCESS! • New Biome sim — Planet sim + DNA (but 1/2 size max) Items: EDITABLE JSON presets at: GAMEDIR/items Items/DNA: Auto growth structures Items/Hexmap: Chassis & Icebreaker with key bindings Load:…Store
- March 2026
- SST v0.9.4.2 - Undo, Recovery Mode, Active tools iconsUndo (Ctrl+Z) - Recovery mode on crash - Active icons on tools menu - one step only Undo in first version - 1/2 of GPU memory reserved for Undo - red mark for too big savefiles on Load
- February 2026
- v0.9.3.9 - AMD/OpenCL fixesOpenCL UI inspect crash fixed, now UI more stable on AMD GCN arch compatibility restored (RX 500, Vega), was broken last month RDNA arch fixed (RX 6000,7000,9000) still only 1/3 of normal FPS on RDNA (RX 6000,7000,9000)…
- January 2026
- v0.9.3.3 - AMD RADEON FIXrx 6600 tested rx 580 tested
- December 2025
- v0.9.3.1 - Line tool, Menu - 🎄🔔 Merry Christmas 🔔🎄Line tool Shift+Line to erase Bigger load/save menu Changelog More hints Crash/UI fixes
- v0.9.1.0 - Custom Reactionscustom material reactions currently only transformation is possible so only A+B=C+D formula temp, pressure, electro, aqua, ra as conditions and as results of reactions list of reactions in material props diffusion effec…
- November 2025
- v0.9.0.0 - Custom materials editorright click to open material editor clone material button editable material title, icon, tag, hint
- October 2025
- v0.8.8.8 - Asteroid²"RTX ON": Day, Night, Moonlight light view modes 3 new scenes: Planet², Asteroid², Moonlight Asteroid² scene on 800K particles makes impact exactly as on video pressure fusion core instead of Sun object more plants and…
- v0.8.5.2 - RTX ONpressure fusion by default (instead of Sun for planet cores) - Rays.night by default - more plants, less lava pools (Planet*, Volcano, Chassis, Icebreaker scenes - RTX ON)
- v0.8.5.0 - NightNight scene Scene.Ray.night Scene.Ray.backlight
- September 2025
- v0.8.4.0 - Chassis. Keyboard controlChassis scene New rotor hard linked material rotaring layers relatively to each other Easy key bindings Chassis control (LEFT,RIGHT) Smooth speed control (Z,X) Laser turret (UP,DOWN,TAB) Bind keys for Icebreaker control…
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