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Pin-nacle 2

Upgrade a Pin 3 times

Pin-nacle 20
1 guideOnline Game ModeSingle PlayerLevelShop
22 Aug 2019 22 Aug 2019
5 0 0
Once you collect enough duplicate Pins you can upgrade them by selecting them in your Pin collection and choosing upgrade. This will cost a few coins and give you experience in return. The quickest way I found to get this was to either buy the common bundle in the store. I was able to get 50 duplicate Pins for 200 coins.

The other option is running some of the starter Hordes a few times. Some of them drop 25x Grenades if you complete them. If you do this with a few people in your crew you will have it in no time. Even if someone else uses the item to start the Horde you still get the Pin reward.