Ibomber Defense Instant

: Focus on Machine Gun turrets. Get them to level 3 quickly to handle light units.

: Use Bomb Towers at the very beginning of a map to clear supply crates. This provides an immediate cash injection that helps you snowball your economy. iBomber Defense

: Add a Comms Turret to every fire base to enhance range and start generating interest. Place at least one Anti-Air (AA) turret in a spot that doesn't block ground-based fire lines. : Focus on Machine Gun turrets