To access these files, you generally need the original player or a specific decryption tool:

For the last week, that single word— false —was the wall I beat my head against.

This means a generic "gem file decryptor" cannot work unless it knows:

A "gem file decryptor" isn’t magic—it’s just applied cryptography. Rails gives you convenience, but that convenience comes with the risk that anyone with the key (or a script like the one above) can read your most sensitive data.