Left/right - Move Z - Jump X - Shoot/bombs (when in morph ball, and you need to get the upgrade for bombs) A - Switch to missiles/beam Down - Morph ball Up - Aim up Up + left/right - Aim diagonally When entering a new room, be sure to jump first before doing anything, since there is a bug where if you don't jump before entering a new room, it makes your controls all inverted and breaks the game.
Sprites - Nintendo/The Spriters Resource (https://www.spriters-resource.com/) Music: am2r (another metroid 2 remake) Code: @dandaman011