Oil

Oil is mainly used to build troops. Oil can be obtained by building an Oil Derrick. Building Oil Derricks on oil patches generates more oil.
Category:Resources
Oil patches are used to collect more oil. If you place an Oil Derrick over an Oil patch it will produce more oil then a normal Oil Derrick.
The enhancements that patches make to your overall production
Patch Level 	Percentage Increase
0 (No Patch)	0%
1 	20
2 	40
3 	60
4 	80
5 	100
6 	120
7 	140
8 	160
9 	180
10 	200
Category:Ore
Category:Resources