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 |
|---|---|---|---|---|
| 3.6.1 | 1.1 | Download | 1 year, 2 months ago | 1698 |
| 3.6.0 | 1.1 | Download | 1 year, 5 months ago | 699 |
| 3.5.3 | 1.0 | Download | 1 year, 8 months ago | 555 |
| 3.5.2 | 1.0 | Download | 1 year, 9 months ago | 360 |
| 3.5.1 | 1.0 | Download | 1 year, 9 months ago | 81 |
| 3.5.0 | 1.0 | Download | 1 year, 10 months ago | 472 |
| 3.4.3 | 0.18 | Download | 2 years ago | 771 |
| 3.4.2 | 0.18 | Download | 2 years ago | 266 |
| 3.4.1 | 0.18 | Download | 2 years ago | 139 |
| 3.4.0 | 0.18 | Download | 2 years ago | 256 |
| 3.3.0 | 0.17 | Download | 2 years ago | 566 |
| 3.2.0 | 0.17 | Download | 2 years ago | 466 |
| 3.1.0 | 0.17 | Download | 2 years ago | 221 |
| 3.0.0 | 0.17 | Download | 2 years ago | 231 |
| 2.1.1 | 0.16 | Download | 4 years ago | 1574 |
| 2.1.0 | 0.16 | Download | 4 years ago | 270 |
| 2.0.0 | 0.16 | Download | 4 years ago | 669 |
| 1.5.1 | 0.16 | Download | 4 years ago | 673 |
| 1.5.0 | 0.16 | Download | 4 years ago | 351 |
| 1.4.1 | 0.16 | Download | 4 years ago | 316 |
| 1.4.0 | 0.15 | Download | 4 years ago | 289 |
| 1.0.0 | 0.15 | Download | 4 years ago | 86 |