Very Interesting Idea, cool execution and controls. The entering the code felt a little bit weird
Viewing post in Remote Defence jam comments
Im not sure if I can pin exactly what I was, but I believe having the code not change when you hit a wrong number, and adding an "enter" button would feel better. I also think adding an obvious blinking light would be good
(my dumbass spent a solid minute trying to enter random codes getting feedback from the beeping sound in a panic before noticing the small text in the top left)