Board Thread:Questions and Answers/@comment-68.166.176.250-20150522164625/@comment-5079877-20150526203451

Say, are the upgrades you guys are looking at actually ready to be researched? The cost doesn't show unless you've gotten all the previous upgrades, i.e. you won't see the cost of a 4th tier upgrade unless you've researched the tier 3 upgrade behind it.