The Amphibian Cipher

The Amphibian cipher — also known as frog runes — is used by frogs in Disney’s Amphibia cartoon:

The mapping is:

The following is an example:

This reads, “cash only!”. Most of the citizens of Amphibian live in Newtopia, and where the following gives, “goodbye childhood!”

Here is a CTF generator:

Cipher CTF Challenge Generator (Amphibia cipher)