The path finding algorithm is really smart. The music and sound effects and visuals are goofy in the best way possible. Tower selection UI is nothing short of epic. I wonder what the BTBD means? Sounds like BTD+TBD maybe?
Thank you for the kind words :-). I originally called the project T.B.D. - to be decided. Then I realized that obviously T stands for Tower and D for Defense. I still don't know what does the B stand for, so B is to be decided. B.T.B.D. for short :-).