Hi. I cannot get 3 stars in level 2-2 Rain Forrest. I have level 2-3 already 3 srars. And now i cannot play level 2-4? All other maps are closed. Is this a bug or must i get 3 stars in all levels to proceed to next maps? How can i get 3 stars there? I kill all enemies as soon as possible. The game is so easyyy i can go to sleep while attacking units.......

This game looks like an 1-3 euro game but not like 14.99.... You should compare your game with other tower defense games and their prices. No one will buy overpriced games. Better making good prices and sell way more. it has not even any basic steam features, like trading cards, achievements, translation and so on...