HomeSpace Simulation Toolkit
Space Simulation Toolkit
Pavel Kudinov · in Early Access since Jun 5, 2020 · demo · data updated Oct 24, 2026
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.
In Early Access since Jun 5, 2020 · Demo available
Steam figures
| Value | As of | |
|---|---|---|
| Steam reviews | Very Positive · 80% positive of 510 Steam reviews | Oct 23, 2026 |
| Followers on Steam | 2,184 | Oct 19, 2026 |
| Regular US price | $24.99 | Oct 19, 2026 |
New Steam reviews per month
| Month | New positive | New negative |
|---|---|---|
| Nov 2025 | 9 | 3 |
| Dec 2025 | 15 | 3 |
| Jan 2026 | 14 | 3 |
| Feb 2026 | 7 | 1 |
| Mar 2026 | 9 | 5 |
| Apr 2026 | 5 | 1 |
| May 2026 | 6 | 2 |
| Jun 2026 | 15 | 3 |
| Jul 2026 | 7 | 4 |
| Aug 2026 | 9 | 1 |
| Sep 2026 | 10 | 2 |
Sales estimate
| Copies sold on Steam | 9.6k – 55k | |
|---|---|---|
| Gross revenue on Steam | $200k – $680k before refunds, tax and Steam’s cut | |
| Steam reviews by buyers | 510 | Oct 23, 2026 |
| Copies per review | 19–108 |
Estimates are based on an aggregation of industry-accepted conversion formulas. How this is estimated
Tag DNA
| Tag | Share of Steam games |
|---|---|
| Space Sim | 1 in 92 games |
| Artificial Intelligence | 1 in 43 games |
| 1980s | 1 in 40 games |
| Education | 1 in 39 games |
| Space | 1 in 20 games |
| Sandbox | 1 in 16 games |
| Physics | 1 in 13 games |
| Early Access | 1 in 13 games |
Games like Space Simulation Toolkit
| Game | Developer | Match | Steam reviews |
|---|---|---|---|
| Kerbal Space Program | Squad | 76% | Overwhelmingly Positive · 121,591 |
| SimpleRockets | Jundroo, LLC | 86% | Very Positive · 280 |
| Spaceflight Simulator | Team Curiosity ✦ | 75% | Overwhelmingly Positive · 9,557 |
| Solar Expanse - Space Exploration Manager | SpaceOps | 73% | Very Positive · 1,314 |
| Autocraft | Alientrap | 82% | Mixed · 248 |
| Kerbal Space Program 2 | Intercept Games | 70% | Mostly Negative · 27,989 |
| Starship EVO | Moonfire Entertainment | 73% | Very Positive · 1,345 |
| Celestial Command | Science Interactive | 73% | Mixed · 672 |