Use the arrow keys or ASD and space to move. Arrow keys: Jump — Up Arrow Fire (Shoot) — Down Arrow Move Left — Left Arrow Move Right — Right Arrow ASD and Space: Jump — Space Fire (Shoot) — S Move Left — A Move Right — D Reload: Reload — R
Make sure to check out @Laddie12 for his tutorial on 2 player multiplayer projects, it was SUPER useful. Here is the link to the project as another way to get there: https://scratch.mit.edu/projects/62552014/#player The non-multiplayer stuff was made by me. *Note: you will not see the other person's bullets, but you will see your health go down.