Good concept, I love tower defense games! As others have said, I think having some indication of how much "health" a suitor has and how much "damage" a trap does would go a long way to help the player understand and strategize. I also for the text boxes, you should use "RichTextLabel" instead of "TextEdit". The latter is for player input, which results in all the boxes in your game being editable (see image). Overall very solid jam game :)
