Shells are a currency in Bubble Gum Simulator. They are used to purchase everything in Beach World. These along with Beach World were released in Update 17.
- The base value of Shells when you pick them up are as follows: (base value is the amount of shells you get if you have no pets equipped or the 2x Shell Gamepass)
- They are used to unlock Atlantis, which costs 20 million Shells.
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