That a really good idea. I have only played the game mode once or twice. I could not agree with you more. You got my vote!
Ok, I’ Put this idea under “ways to solve this” Thanks for the feedback! :)I think the best would be to add this but has an Option to vote for Iron Rank and above. Because i like to be able to place 5x5 towers in 3x3 spot and 3x3 in 5x5 because, sometime it can be very useful. Because some maps don't have the path really well placed...
(This feature would be active by default)