You found an oil field. And you have only a little money in your hand. Starting from buying the first device, using this humble device to continuously dig oil. Sell them to get income. Use income upgrade equipment to speed up the collection efficiency. When you accumulate a certain amount of money, you can buy new equipment to improve the collection efficiency. You can also hire managers to help you provide the operation of the entire company. Continuously develop and strengthen your oil company until it becomes the largest one in the world.

// Option A // 4e342w

To Idle Oil Factory mod from happymod.cracksite.info.
You need enable the option "Unknown Sources".
1. Click on the above link to Idle Oil Factory mod APK.
2. Save the file in your device s folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B // x1915

To Idle Oil Factory from HappyMod APP, you can follow this:
1. Open your browser and the HappyMod APK file from happymod.cracksite.info - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android s and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Idle Oil Factory in HappyMod App.