Drag towers to move them and aim with mouse pointer to shoot I recommend using turbowarp for this due to the fact that the immense amount of bullet clones sometimes lags the game
*Not done* -you only start with some green and red gunners, rotating turrets and TNT- 1 for TNT $50 2 for rotating turret $75 3 for gunner (green) $100 4 for gunner (purple) $200 5 for gunner (red) $150 6 for gunner (yellow) $450 0 for health upgrade $300