Lead Balloon

Sandbox Only Content

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Lead Balloon was previously removed on the 5th of June 2026, though it has been made available through the Sandbox mode later.
It is not accessible anywhere else in the game. This page will attempt to include information about both the version before removal and its re-added version.

Similar Article

This article is about Lead Balloon. You may be looking for the Lead attribute, Lead enemy, Lead Boss, Balloon or Balloon Kid.

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 <title source="title1"><default>Lead Balloon</default></title>

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Description

The Lead Balloon is an enemy which only appears on Hardcore mode. While it has low health for its debut, it is quite fast. While the Lead Balloon is in the air, it cannot collide with units, or be detected by most ground towers and units.

It is also a Lead enemy, meaning it cannot be damaged by towers without lead detection. This severely reduces the amount of towers that can harm the Lead Balloon. With its balloons popped, it is no longer a Flying enemy. However, despite having no visible metal coverings, it is still a Lead enemy.

The Lead Balloon can be spawned from the Mystery upon its death in Hardcore mode, wave 40 onwards.

Appearance

The Lead Balloon is a faceless humanoid with reflective dark green skin, and a reflective dark grey torso and legs. It has three lead balloons tied to its back, which, after taking enough damage, pop into yellow particles and drops it lower to the ground. When it loses all shield health, all the balloons would have popped and the Lead Balloon would become grounded, removing its flying attribute and making it walk along the path.

Strategy

• While the Lead Balloon is floating, the Lead Balloon is a lead and flying enemy. This limits the towers that can both detect and damage the Lead Balloon.
• Multiple Level 3+ Rangers are the best option to deal with the Lead Balloon, with or without its balloons.
  • A Level 2+ Tesla is equally good for this, especially because of its area damage, allowing it to take down multiple Lead Balloons at once, while also stunning them.
  • Level 4 Snipers can also be used to kill the Lead Balloon despite their mediocre DPS, but you need a large amount of them.
  • A few level 3+ Toxic Gunners are also a great option to eliminate the Lead Balloon, with and without its balloons. However, Toxic Gunner is an event tower that is currently unobtainable outside of special offers.
• The Ace Pilot, Mortar and Pursuit can detect and damage the Lead Balloon with its splash damage.
  • However, the Ace Pilot's projectiles explode on the ground, limiting the damage dealt to the Lead Balloon. It will also have a hard time hitting Lead Balloons when they are grounded due to the enemy's fast speed.
• The Engineer can be used to deal with this, but do note that only the tower itself can detect and damage them. None of the Engineer's sentries can detect it, with only War Machine Sentry being able to damage it.
• The Firework Technician can be used to give your towers both Lead and Flying detections, along with granting them extra firepower with fireworks.
• Weirdly, the Elf Camp's units can handle this enemy quite well, despite being unable to collide with it.
• The Hunter and Executioner are able to detect the Lead Balloon, but are unable to damage it.
• The Commando's missiles are in fact fully capable of damaging Lead Balloons and could be a potentially effective way of bursting them down due to the constant splash damage.
• Units cannot directly damage the Lead Balloon while it is floating, though explosions from some of the units may indirectly hit it.
• The Shotgunner, Electroshocker, Saboteur and Swarmer are unable to detect the Lead Balloon while it is floating, but are able to damage it.
  • This will only occur if there are other enemies near the Lead Balloon.
• Once the Lead Balloon's shield health has been depleted, all of its balloons would have popped.
  • Once this happens, any tower can detect the Lead Balloon, but cannot damage it if they do not have lead detection.
  • Be aware that its speed increases significantly while on the ground

Gallery

Corpse Variants

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  Second Corpse variant, current version (12 March 2025 – Present)

Miscellaneous

• Lead Balloon on its Index icon.
  Lead Balloon on its Index icon.

Trivia

• The Lead Balloon may be a reference to the Lead Bloon in the Bloons Tower Defense series.
• During Hardcore Testing BETA, the Lead Balloon's balloons did not pop as it had no shield health.
• Oddly, when the Lead Balloon's balloons pop, it is no longer a flying enemy, yet is still considered a lead enemy, despite not having any metal coverings.
• The Lead Balloon, alongside the Lead and Lead Boss have unique spark particles when they are hit by an attack that cannot detect lead enemies.

Update History

• 29 October 2020 - Overhaul v1.0.0
  • Lead Balloon added.
• 16 December 2024 - v1.46.0
  • Bug: Uses the animation without balloons in the Index while also still wearing its balloons.

Hardcore
Previous Debut	Current Debut	Next Debut
Lava Wave 37	Lead Balloon Wave 39	Slow King Wave 41

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