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 |
|---|---|---|---|---|
| 3.6.0 | 1.1 | Download | 2 months ago | 675 |
| 3.5.3 | 1.0 | Download | 5 months ago | 543 |
| 3.5.2 | 1.0 | Download | 6 months ago | 355 |
| 3.5.1 | 1.0 | Download | 6 months ago | 76 |
| 3.5.0 | 1.0 | Download | 7 months ago | 467 |
| 3.4.3 | 0.18 | Download | 11 months ago | 766 |
| 3.4.2 | 0.18 | Download | 1 year, 26 days ago | 261 |
| 3.4.1 | 0.18 | Download | 1 year, 1 month ago | 134 |
| 3.4.0 | 0.18 | Download | 1 year, 2 months ago | 251 |
| 3.3.0 | 0.17 | Download | 1 year, 3 months ago | 561 |
| 3.2.0 | 0.17 | Download | 1 year, 5 months ago | 460 |
| 3.1.0 | 0.17 | Download | 1 year, 6 months ago | 216 |
| 3.0.0 | 0.17 | Download | 1 year, 6 months ago | 226 |
| 2.1.1 | 0.16 | Download | 2 years ago | 1568 |
| 2.1.0 | 0.16 | Download | 2 years ago | 265 |
| 2.0.0 | 0.16 | Download | 3 years ago | 665 |
| 1.5.1 | 0.16 | Download | 3 years ago | 669 |
| 1.5.0 | 0.16 | Download | 3 years ago | 347 |
| 1.4.1 | 0.16 | Download | 3 years ago | 312 |
| 1.4.0 | 0.15 | Download | 3 years ago | 285 |
| 1.0.0 | 0.15 | Download | 3 years ago | 82 |