Tier unlocks:
1: nothing
2: 5 Kirbys per ()
3: 20 Kirbys per ()
4: 35 Kirbys per ()
Notes & Credits
Update log:
Update 1: the release. 2 upgrades with the Kirby
Update 2: 2 more upgrades
Update 3: 2 more upgrades
Update 4: 2 more upgrades
Update 5: Lots of stuff
