An extensive overhaul, emphasizing detailed and realistic chemistry, materials, and production. Extends the base game to marathon-style complexity.
| Version | Game Version | Download | Release Date | Downloads |
|---|---|---|---|---|
| 3.4.3 | 0.18 | Download | 2 months ago | 496 |
| 3.4.2 | 0.18 | Download | 3 months ago | 261 |
| 3.4.1 | 0.18 | Download | 4 months ago | 134 |
| 3.4.0 | 0.18 | Download | 5 months ago | 251 |
| 3.3.0 | 0.17 | Download | 6 months ago | 546 |
| 3.2.0 | 0.17 | Download | 8 months ago | 460 |
| 3.1.0 | 0.17 | Download | 9 months ago | 216 |
| 3.0.0 | 0.17 | Download | 9 months ago | 226 |
| 2.1.1 | 0.16 | Download | 2 years ago | 1567 |
| 2.1.0 | 0.16 | Download | 2 years ago | 265 |
| 2.0.0 | 0.16 | Download | 2 years ago | 665 |
| 1.5.1 | 0.16 | Download | 2 years ago | 669 |
| 1.5.0 | 0.16 | Download | 2 years ago | 347 |
| 1.4.1 | 0.16 | Download | 2 years ago | 312 |
| 1.4.0 | 0.15 | Download | 2 years ago | 285 |
| 1.0.0 | 0.15 | Download | 2 years ago | 82 |