1-7 to change soul type. WASD to change blue direction. RED SOUL: Arrow keys. ORANGE SOUL: Don't stop moving. YELLOW SOUL: Z to shoot laser. GREEN SOUL: Arrow keys to move shield. CYAN SOUL: Arrow keys to move box. Use box to move soul. BLUE SOUL: Gravity. Arrow opposite of gravity direction to jump. MAGENTA SOUL: Up/Down arrow to switch line. Left/Right arrows to move.
Thanks to Toby Fox and Temmie Chang for Undertale. Damage sound and soul sprites from Undertale. Box engine by me: https://scratch.mit.edu/projects/837253537/ All soul gameplay by me.