Metroid Subzero
Metroid Subzero is a hack for the Game Boy Advance.
About this hack
Metroid Subzero is a hack for the Game Boy Advance. In short, it raises the challenge, fixes bugs of the original release and adds or improves saving. The full list of changes, the credits and the instructions are on the creators' page.
Playing it
The patch is applied to your own copy of the original game, following the creators' instructions. The game itself is not included and is never linked here.