Press M to shoot when the ninja is on the mouse pointer.
I got the idea from my friend meepmeep3332 . Here is his link. https://scratch.mit.edu/users/meepmeep3332/ Edit: Ver. 1.1 released ( Just editing this game) Additions are 1. New score counter ( I didn't know how to use variables) 2. Ninja movement randomized ( I wanted him to always stay at the top but I gave up)