the premium content isnt even a big deal, it is in no way a game changer, just a nice way to show the developers this is an amazing game. honestly its almost worth it to get it when you can change your reinforcements into characters from star wars
Don't get mini turrets! they will mess you up! on many occasions i was killed because i shot a meteor to the side and my mini turret shot it back. also they will really mess up the "save the big meteor" strategy.
its a cool game, i just wish it had a definitive exit, i find myself going in one direction, making my way across the room to what i think is the right way only to find myself blocked on all sides
i feel that missing a coin shouldn't drop your combo. a lot of the time, ill have a very large combo going, and some circumstance beyond my control causes me to miss a coin, which in turn ends my combo :/