Defense Zone 2 -

: Manage the use of "Air Strikes" or other global abilities sparingly; these should be reserved for overwhelming waves or when a boss unit is about to breach your defenses. 4. Technical Analysis (For "Paper" Purposes)

: Ensure coverage for aerial units early, as they often bypass ground-focused choke points. 3. Progressive Difficulty and Upgrades Defense Zone 2

: Focus on reaching max-level upgrades for a few key towers rather than having many low-level towers. Higher-tier towers often gain special abilities or significantly increased efficiency per dollar spent. : Manage the use of "Air Strikes" or