Bloons Blitz: Mid-Wave Upgrade and Targeting Guide

To handle dense, fast-moving waves in Bloons Blitz, prioritize attack speed and pierce upgrades during active combat over raw damage, and manually redirect your tower targeting toward high-health lead targets. Placing straight-line towers along long corridors and saving area-of-effect abilities for crowded track turns keeps high-volume enemy groups from slipping past your defenses.

Mid-Wave Upgrade Priorities

When spending currency during active waves, invest in stats that address incoming wave volume rather than single-target damage:

• Attack Speed: Best for high-volume swarms of basic targets that threaten to overwhelm baseline firing rates.
• Pierce: Essential when enemies are tightly packed, ensuring projectiles pass through initial targets to hit trailing units.
• Damage and Range: Reserve these secondary upgrades for moments after the wave stabilizes or when armored, higher-health enemies appear in upcoming rounds.

Pivot your upgrade choices based on leaks: if fast swarms break through, add attack speed; if dense clusters reach deep into the track, add pierce.

Manual Targeting and Positioning

Default automated targeting often splits firing paths across multiple targets, allowing weakened lead enemies to leak past defenses.

1. Target Lead Enemies: Manually select high-health or fast-moving lead targets when a new wave segment enters to focus tower damage before enemies reach exit thresholds.
2. Maximize Projectile Arcs: Place linear-firing towers at the start of long, straight corridors so every shot passes through multiple enemies in a single path.
3. Use Chokepoints: Position splash-damage units near track turns or intersections. If a tower fails to hit at least two targets per shot, reposition it to overlap with high-density movement routes.

Ability Cooldown Timing

Trigger active abilities only during peak wave density to maximize their impact:

• Hold Cooldowns for Clumps: Avoid spending major abilities on single, isolated targets. Wait until enemy count peaks at track bends or chokepoints.
• Synchronize AoE Effects: Fire area-of-effect hero and tower abilities when enemies cluster tightly, clearing the track and buying time for primary defenses to reset their firing cycles.