Board Thread:Game Discussion/@comment-26719180-20160121103610/@comment-27311695-20160123134943

RomGuyony wrote: Same principle can apply to upgrades. Not sure what the variables, but it sometimes offers to reduce to or by 1 hour, maybe other amounts, depending on the initial length of time. On iOS, sometimes there is reduce to 1 hour, I haven't seen that on android. If the remaining time is under 30 minutes, 30% option will be replaced by skip wait time.