This mod recreates the vanilla version research tree before Space-Exploration changes.
Small changes concerning balance, gameplay, or graphics.
| Version | Game Version | Download | Release Date | Downloads |
|---|---|---|---|---|
| 1.2.53 | 1.1 | Download | 1 year, 7 days ago | 91 |
| 1.1.52 | 1.1 | Download | 1 year, 7 days ago | 16 |
| 1.1.51 | 1.1 | Download | 1 year, 7 days ago | 12 |
| 1.1.50 | 1.1 | Download | 1 year, 7 days ago | 3 |
| 1.1.49 | 1.1 | Download | 1 year, 8 days ago | 22 |
| 1.1.48 | 1.1 | Download | 1 year, 10 days ago | 20 |
| 1.1.47 | 1.1 | Download | 1 year, 10 days ago | 3 |
| 1.1.46 | 1.1 | Download | 1 year, 24 days ago | 49 |
| 1.1.45 | 1.1 | Download | 1 year, 24 days ago | 3 |
| 1.1.44 | 1.1 | Download | 1 year, 24 days ago | 3 |
| 1.1.43 | 1.1 | Download | 1 year, 29 days ago | 52 |
| 1.1.42 | 1.1 | Download | 1 year, 30 days ago | 4 |
| 1.1.41 | 1.1 | Download | 1 year, 30 days ago | 12 |
| 1.1.40 | 1.1 | Download | 1 year, 30 days ago | 4 |
| 1.1.39 | 1.1 | Download | 1 year, 30 days ago | 3 |
| 1.1.38 | 1.1 | Download | 1 year, 30 days ago | 2 |
| 1.1.37 | 1.1 | Download | 1 year, 1 month ago | 14 |
| 0.1.36 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.1.35 | 1.1 | Download | 1 year, 1 month ago | 9 |
| 0.1.34 | 1.1 | Download | 1 year, 1 month ago | 5 |
| 0.1.33 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.1.32 | 1.1 | Download | 1 year, 1 month ago | 2 |
| 0.1.31 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.1.30 | 1.1 | Download | 1 year, 1 month ago | 2 |
| 0.1.29 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.28 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.27 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.26 | 1.1 | Download | 1 year, 1 month ago | 4 |
| 0.0.25 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.24 | 1.1 | Download | 1 year, 1 month ago | 2 |
| 0.0.23 | 1.1 | Download | 1 year, 1 month ago | 4 |
| 0.0.22 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.21 | 1.1 | Download | 1 year, 1 month ago | 2 |
| 0.0.20 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.19 | 1.1 | Download | 1 year, 1 month ago | 7 |
| 0.0.18 | 1.1 | Download | 1 year, 1 month ago | 2 |
| 0.0.17 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.16 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.15 | 1.1 | Download | 1 year, 1 month ago | 5 |
| 0.0.14 | 1.1 | Download | 1 year, 1 month ago | 6 |
| 0.0.13 | 1.1 | Download | 1 year, 1 month ago | 3 |
| 0.0.12 | 1.1 | Download | 1 year, 1 month ago | 2 |
| 0.0.11 | 1.1 | Download | 1 year, 1 month ago | 1 |
| 0.0.10 | 1.1 | Download | 1 year, 1 month ago | 21 |
| 0.0.9 | 1.1 | Download | 1 year, 1 month ago | 10 |
| 0.0.8 | 1.1 | Download | 1 year, 1 month ago | 5 |
| 0.0.7 | 1.1 | Download | 1 year, 1 month ago | 6 |
| 0.0.6 | 1.1 | Download | 1 year, 1 month ago | 5 |
| 0.0.5 | 1.1 | Download | 1 year, 1 month ago | 6 |
| 0.0.4 | 1.1 | Download | 1 year, 1 month ago | 8 |
| 0.0.3 | 1.1 | Download | 1 year, 1 month ago | 7 |
| 0.0.2 | 1.1 | Download | 1 year, 1 month ago | 23 |
| 0.0.1 | 1.1 | Download | 1 year, 1 month ago | 5 |