There needs to be an option to sell unwanted items, such as free daily items you get, and sell your hulls and weapons. And experience points to level stuff with skill points, such as for currency per kill, more base damage on all guns, etc. And then skill points for passive or active ability, health regeneration, faster reload for 3 seconds. And kill streaks would be cool. Also bonuses, I got a triple kill and got nothing, didn't even say triple kill. should be double kill +15 crystals, triple kill +50, etc. Also, I notice some weapons are elemental. Weakness to ice, fire, and explosions, etc You could go somewhere with this since you already have elemental weapons. Enjoying the game, but take in consideration for all my ideas, Could make it go far, bros!
I flipped my tank on that jump on the first level, I was seeing if I could make it onto a building. I'm not upside down but on my side and can't flip. If you could add an option to flip your tanki it could fix any possible issues with this problem down the road, but decent game I must say.
This is a good game and I will be waiting for the second installment of this game if you are going to make it. As others said there needs to be permanent passive upgrades. I think it would be best if the stars you earn would upgrade your passive abilities. That would also encourage players to replay past levels to get a higher rank and on a harder difficulty to earn stars (exp). Also you could have a facebook page that people like for a early boost in exp. I see lots of other games do this. Also there does need to be towers that boost towers that are around said tower. There also needs to be some attacks the player can do themselves. Like a fireball that cost cash and you can only use it every 30 seconds for when you get in a pinch. Everyone loves leveing up so make sure you could throw that in your next td. I do like the research with the towers. I have never really seen it before in another td game. It was a new cool idea.
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