Kinda feels like you are playing BloonsTD... Every tower looks like a tack cat at first but will turn into what they are. After placing down a cat, click them to see their R.O.F. (Range of fire) Towers: Tack cat: $50 Gun cat: $100 Cattank: $150
Play Scratch cat tower defense 2 here: https://scratch.mit.edu/projects/752446220/ Put in the comments what wave you got to! Highest wave right now: 70