All-Star Baseball 2004

All-Star Baseball 2004 is a baseball game for Game Boy Advance that has "2004" in the title despite being released two months into 2003.

Hidden Images
The following JPEG-format image is present in the ROM:



It does not appear in either of the two known prototype versions, but it was likely a placeholder used while awaiting further baseball card images since the final contains more cards than the prototypes.