3/4 slots and not allowing upgrade

Forums › Help & Strategy › 3/4 slots and not allowing upgrade

• kanagi Jun 29, 2013

  Do some base upgrades require more than one slot? Have several at 3/4 and am getting no space available for upgrade.
• TheMattVid Jun 29, 2013

  Make sure that along with the 3 upgrades that you are counting, you also include any being built, if there are any. The other solution is to make sure that when you're adding upgrades, you don't accidentally tap the add sign on any of the other upgrades, as it is pretty easy to do this while scrolling.

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