Upgrade Level | Cost | Time Required | Items Needed |
---|---|---|---|
1 | 10 | 1 Minute | |
2 | 0 | 1 Minute |
Coal x 20
|
3 | 0 | 15 Minutes |
Copper x 20
|
4 | 0 | 1 Hour |
Circuits x 1
|
5 | 0 | 2 Hours |
Circuits x 1
Wire x 200 |
6 | 0 | 4 Hours |
Circuits x 15
Insulated Wire x 100 |
7 | 0 | 8 Hours |
Gold bar x 1,200
Green Laser x 500 |
8 | 0 | 8 Hours |
Sulfuric acid x 20
Accumulator x 15 Insulated Wire x 250 |
9 | 0 | 8 Hours |
Gear x 10
Uranium Rod x 1 Steel Plate x 100 |