1636 Pokemon Fire Red U Squirrels Rom Extra Quality [upd] -

This is the anomaly. There is no Pokémon called “Squirrel” (except the fan-nickname for Pachirisu or Greedent, which came later).

Select the 1636 ROM as the source, the hack file as the patch, and create the new .gba file. 1636 pokemon fire red u squirrels rom extra quality

If you want to create your own ROM hack using the 1636 Squirrels base: This is the anomaly

For those interested in the technical side, here is what separates this file: the hack file as the patch