Click the green flag. Press A to breathe in, and L to breathe out.
Play Breathing Simulator 2k24!: https://scratch.mit.edu/projects/1039551102/ @Catastrophe1999 made the original game, Breathing Simulator 2k15. NEW FEATURES: If you don't breathe for too long after starting the game, you die. (Thanks to @ChicknTurtle for noticing this.)
