Thank you for the feedback! I'm glad you liked it.
I had that course last year so my memory quite fresh. This was the first idea after I heard the theme so it must've made an impression on me. xD
1) Yeah, the UI was supposed to highlight the selected tool, but it stopped at some point in development and I had no clue why. :D
2) I wanted to add some more mechanics that would use and explain packet loss more, just didn't have the time.