Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Price & rating history · US
Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.
Average rating
Ratings breakdown · US
The star breakdown behind this app's rating in this storefront.
Screenshots
About
You run a oil company. You are lucky to find an oil field in the desert. Now let the device start working and dig out the first barrel of oil for you. Constant oil means wealth. You can constantly upgrade your devices to make them more efficient. Dig your oil well into the heart.
What's new · 1.5.6
Add new content to the production line, add in app purchases, modify screen insertion CD, update SDK
Details