PC version: use the left and right arrow keys to collect coins. Viruses will make you lose a life, medicine will let you regain one life, and vaccines make you resistant to ONE and only ONE Virus. Vaccines do not build up. Mobile version: mostly the same, except the Cat is controlled by dragging the cat along the screen.
The non-Cloud version is here: https://scratch.mit.edu/projects/471183586 This was a school project. My partner was @LegoYankees