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The Oil Pump is a place where you can extract Oil. It's located in the middle below the Pyramid in the Underground City.

It has 17 levels overall, level 0 being the first and 16 the last. Each upgrade increases the speed at which you extract Oil and how much you can store. However, the capacity increases faster than the pumping speed, so the "time to full" will continue to increase.

Tips/Notes: With a drop from a chest (chests give an hour of production), you can hold Oil over the capacity. E.g. at lvl. 6, when you hold 198/200 Oil, open the chest, get 12 Oil, now you can have 210/200 Oil. It allows you to build the Gravity Engine (Lvl.13) which costs 210 Oil.

It is also worth noting that the "time to full" when you hover over the current oil amount in the oil pump window, that the timer only displays a maximum of 24 hours.

Lvl. Extracting Time Capacity Upgrade Cost Chest/Gold Excavation
Note in seconds. regular chests give 1 hour (3,600 seconds) worth of generation

gold chests give 4 hours (14,400 seconds) worth of generation

Scientists find 25% of Your Pump Capacity.
0Oil Pump 7,200 1 0 oil from regular chests

0 oil from gold chests

0 oil
1Oil Pump 3,600 2 $100 billion

5 Building Materials

1 oil from regular chests

4 oil from gold chests

0 oil
2Oil Extractor2 1,800 4 $250 billion

7 Building Materials

2 oil from regular chests

8 oil from gold chests

1 oil
3Oil Extractor2 900 16 $500 billion

10 Building Materials

4 oil from regular chests

16 oil from gold chests

4 oil
4Oil Extractor3 600 32 $1 trillion

15 Building Materials

6 oil from regular chests

24 oil from gold chests

8 oil
5Oil Extractor3 400 100 $2 trillion

20 Building Materials

9 oil from regular chests

36 oil from gold chests

25 oil
6Oil Extractor4 300 200 $3 trillion

30 Building Materials

12 oil from regular chests

48 oil from gold chests

50 oil
7Oil Extractor4 250 400 $5 trillion

40 Building Materials

14 oil from regular chests

58 oil from gold chests

100 oil
8Oil Extractor5 100 1,000 $8 trillion

50 Building Materials

36 oil from regular chests

144 oil from gold chests

250 oil
9Oil Extractor5 100 2,000 $40 trillion

75 Building Materials

36 oil from regular chests

144 oil from gold chests

500 oil
10Oil Extractor6 80 4,000 $80 trillion

90 Building Materials

45 oil from regular chests

180 oil from gold chests

1,000 oil
11Oil Extractor6 50 8,000 $400 trillion

100 Building Materials

72 oil from regular chests

288 oil from gold chests

2,000 oil
12Oil Extractor6 45 12000 $2 quadrillion

150 Building Materials

80 oil from regular chests

320 oil from gold chests

3,000 oil
13Oil Extractor6 40 16000 $40 quadrillion

250 Building Materials

90 oil from regular chests

360 oil from gold chests

4,000 oil
14Oil Extractor6 36 20000 $500 quadrillion

500 Building Materials

100 oil from regular chests

400 oil from gold chests

5,000 oil
15Oil Extractor6 33 25000 $20 quintillion

750 Building Materials

109 oil from regular chests

436 oil from gold chests

6,250 oil
16Oil Extractor6 30 30000 $600 quintillion

1000 Building Materials

120 oil from regular chests

480 oil from gold chests

7,500 oil
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