So There 3 Upgrades 1 Is Cash Per Pickaxe Which Simple Meaning More Cash Per Pickaxe 2 Is More Brightness Which Is More Brightness When You Don’t Know What Pickaxe And Last One Is Upgrade Tier Which Is Basically Upgrade Your Pickaxe Tier So If Your At Wood Pickaxe And You Buy That Upgrade You Get A Stone Pickaxe Then A Iron Pickaxe Then A Gold Pickaxe And So On Cash Is Variable In Top Right Corner, That Should Be It! Enjoy The GTP 2 After A Couple Of Months Or Over (By The Time You See This) Also No Admin Buttons And Stuff.
Mostly Me But Pickaxe Model From @creasboy730 So Go Follow Him.