OMG! The Upgrade Design

0 Replies
5 September, 2017, 5:35 AM UTC

What does a commander use them to upgrade.

Question 1.

What is the most important building to upgrade in the long term. Which buildings and why?

Question 2.


How many upgrade designs does it cost for level 21-22 in bunker and level 22-23 and 23-24 and 24-25

Question 3.

Oil derrick

How much does it cost in upgrade designs for level 21-22 and 22-23  and  level 23-24 and level 24-25. 

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