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Question & Answers
How do I do final upgrade to the cars?
I have 5 cars that are ready for their final upgrade, but it won't proceed to the last upgrade. They are all at -10 cars needing to be built for it to happen. Am I doing something wrong?
Answer from: Dragoon13
I'm in the same boat. I believe you have to spend green cash to make the upgrade happen.
Posted on: 09-29-2014