The filename had bled through. Each squirrel had no face, only a blank space where eyes should be, and a tail made of scrolling green text. They moved in groups of three, hopping not toward you but toward the edge of the screen, trying to escape their own existence.
. While Nintendo later released a (which fixed minor typos and graphical glitches like the "Game Freak presents" logo), the romhacking community had already established its tools and memory offsets based on the v1.0 release. 1635 - Pokemon Fire Red -u--squirrels-.gba Rom-
This appears to be a of Pokémon FireRed for Game Boy Advance. The -u--squirrels- part likely indicates: The filename had bled through