Exponential Idle Secret Achievement 13 Guide [SPOILERS]

Helpful Links
Exponential Idle: https://play.google.com/store/apps/details?idcom.conicgames.exponentialidle&hlen_US&glUS
Exponential Idle Website: https://conicgames.github.io/exponentialidle/index.html#
Base64 Decoder: https://www.dcode.fr/base-64-encoding
Caesar Cipher Decoder: https://www.dcode.fr/caesar-cipher

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