Directions: Use arrow keys to move, 'x' to shoot, and 'z' to jump (or use the jetpack if you have fuel).
Hint: Duck! (Down Arrow)
The maps are just comma-separated integers, there's an app called 'SpriteSomething' on the iPad that will let you make game tiles and then 'paint' with them to export a .csv file. It's still on the app store (TODO: add link).
Source on Github: https://github.com/jkersey/DoctorRobotJS