there needs to be a way to sell units and undo the wrong unit placements, every other tower defense game i know thats popular does this, and so should this game
the best way to deal with fear decks is using tremor wyrm+rifter+and iron maiden. use plasma field for your assault cards survivability, and to counter act chaos! the above combo utilizes strike all with enfeeble all.and the playing field will be in your favor when outnumbered that way
if anyone has seen the movie equilibrium, you can tell gun kata has its place here. moving after every shot to avoid return fire. gun kata is a gun martial art btw.