The "JU" in stands for Japan/USA, referring to the specific ROM version that contains both English and Japanese text. This version is widely considered the standard for fans, speedrunners, and ROM hackers.
: To reach the final area, Tourian , Samus must defeat four primary guardians: Kraid, Phantoon, Draygon, and Ridley. Super Metroid (JU)
: In the final confrontation with the bio-mechanical Mother Brain , Samus is nearly defeated. The Metroid hatchling—now grown to a massive size—recognizes Samus as its "mother" and sacrifices itself to give her the Hyper Beam , allowing her to destroy Mother Brain and escape before the planet self-destructs. Why the (JU) Version Matters The "JU" in stands for Japan/USA, referring to