You are Rocket Lad. The protagonist. Unusually charismatic for a faceless blue pill.
Go from the blue entrance to the orange exit. Then do it again. And again. And once more with feeling.
Fire rockets at surfaces to propel yourself around a featureless gray landscape. Jump and fire to go further and faster! The wind on your face may briefly distract you from the creeping existential dread.
Sound credits (all from freesound.org):