1636 Pokemon Fire Red - U-- Squirrels ^hot^ -

Thus, (U)(Squirrels) meant: This is a US ROM, but it has a strange header or extra bytes that make it not match the known perfect dump. Proceed with caution.

Why? Because the Squirrels dump was clean. The code was predictable. The pointer tables were stable. It was the clean slate developers needed. 1636 Pokemon Fire Red - U-- Squirrels

Let’s address the double hyphen and the space: - U-- Squirrels Thus, (U)(Squirrels) meant: This is a US ROM,

A standard, clean ROM would be named: 1636 - Pokemon Fire Red (U).gba Because the Squirrels dump was clean

Because it was the most reliable version circulating on popular ROM sites in the mid-2000s, it became the standard. It is a testament to their work that nearly two decades later, their specific filename is still the most searched and recognized string for this game.