An extensive overhaul, emphasizing detailed and realistic chemistry, materials, and production. Extends the base game to marathon-style complexity.
Large total conversion mods.
| Version | Game Version | Download | Release Date | Downloads |
|---|---|---|---|---|
| 3.6.1 | 1.1 | Download | 4 years ago | 2.75K |
| 3.6.0 | 1.1 | Download | 4 years ago | 705 |
| 3.5.3 | 1.0 | Download | 5 years ago | 561 |
| 3.5.2 | 1.0 | Download | 5 years ago | 365 |
| 3.5.1 | 1.0 | Download | 5 years ago | 85 |
| 3.5.0 | 1.0 | Download | 5 years ago | 476 |
| 3.4.3 | 0.18 | Download | 5 years ago | 776 |
| 3.4.2 | 0.18 | Download | 5 years ago | 270 |
| 3.4.1 | 0.18 | Download | 5 years ago | 143 |
| 3.4.0 | 0.18 | Download | 5 years ago | 260 |
| 3.3.0 | 0.17 | Download | 5 years ago | 574 |
| 3.2.0 | 0.17 | Download | 5 years ago | 470 |
| 3.1.0 | 0.17 | Download | 6 years ago | 225 |
| 3.0.0 | 0.17 | Download | 6 years ago | 235 |
| 2.1.1 | 0.16 | Download | 7 years ago | 1.58K |
| 2.1.0 | 0.16 | Download | 7 years ago | 274 |
| 2.0.0 | 0.16 | Download | 7 years ago | 673 |
| 1.5.1 | 0.16 | Download | 7 years ago | 677 |
| 1.5.0 | 0.16 | Download | 7 years ago | 355 |
| 1.4.1 | 0.16 | Download | 7 years ago | 320 |
| 1.4.0 | 0.15 | Download | 7 years ago | 295 |
| 1.0.0 | 0.15 | Download | 8 years ago | 91 |