It seems this is some kind of prototype which isn't finished yet.
SPACE: Fire long-range weapon from right arm (Gun's Level)
SHIFT: Fire short-range weapon from left arm (Blast)
ESC: Pause & Player Stats
Panels (content is fixed per room):
GREEN: In-Game Info or Enemy ID
PURPLE: Increases or decreases player stats/energy, revives an enemy in the room, lights up room, or removes all the walls in the room
WHITE: Unlocks doors in the stage (sometimes only after defeating all the enemies first)
Map: Player & Main Enemy Location
Energy: Used by weapons, regenerates over time
Status GFX: Health (Head, Left Arm, Right Arm, Body/Legs)
And special thanks to...