: Build Comms Turrets early and upgrade them to earn interest at the end of each round. The interest is typically capped at $50 per round , so aim to keep a cash reserve to maximize this passive income.
: This is arguably the most powerful tactic. It increases a turret's power and range for a very low cost. Digging in also makes turrets more efficient by locking their direction, which eliminates tracking time. iBomber Defense
In iBomber Defense , succeeding on "proper paper" (often referring to achieving a rating or navigating "hard" veteran-level maps) requires a mix of aggressive economic growth and tactical turret specialization. Core Strategy for High Ratings : Build Comms Turrets early and upgrade them