Pokemon Radical Red v4.1 is likely an incremental update to v4.0. It might focus on bug fixes, balance adjustments, minor content additions, or quality of life improvements rather than a complete overhaul. Still a fan-made ROM hack, its development reflects the dedication to refining the game and addressing player feedback.  It expands upon the base game of Pokemon FireRed with additional features and content added by the community.

Pokemon Radical Red v4.1

Pokemon Radical Red v3.02