hit box on the tanks should be bigger since you cant control the angle of the deflection for crap, and agree w/ there should be an upgrade to shield length.
seems like the dificulty of the waves way outpaces your ability to contain them. and the cost of units to the reward/lvl is grossly unbalanced. plus, turrets purchased should fire at all enemies, not only specific ones, i.e. the machine gun only firing at airborne targets is stupid. 2/5 needs a lot of work.
be nice to either have the abiliity to quick choose the turrets, or place more then one at a time, as well as place them before the start of the level in the first place
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