Adds pipes with restricted connections, and several useful valves.
| Version | Game Version | Download | Release Date | Downloads |
|---|---|---|---|---|
| 3.1.7 | 2.0 | Download | 1 year, 20 days ago | 123 |
| 3.1.6 | 2.0 | Download | 1 year, 20 days ago | 16 |
| 3.1.5 | 2.0 | Download | 1 year, 20 days ago | 60 |
| 3.0.08 | 1.1 | Download | 4 years ago | 848 |
| 3.0.8 | 1.0 | Download | 4 years ago | 222 |
| 3.0.7 | 0.18 | Download | 5 years ago | 52 |