Sandbox Only Content

P3NGU (Ducky Revenge) was previously removed on the 5th 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.

Is that… a Penguin Mech?
It’s not even a duck!

―Dispatcher dialogue on Wave 10 (Bathroom Approach)

Description

P3NGU was an enemy that appeared in Bathroom Approach as part of the Ducky Revenge Event and its rerun in the Spring Frenzy Battle Pass. It has a high amount of health and 30% Defense, but it walks rather slowly.

P3NGU has one ability, Beak Beam, where it will attack a tower with a laser fired from its beak. This laser will attack the targeted tower, stunning it and any other nearby tower in its attack cone for 4 seconds while also dealing 20 damage to units per tick. This ability has a tick of 0.1 and a range of 15.

Logbook Description

"P3NGU is the latest addition to Nerd Duck's inventions. Powered by cutting-edge bird technology, Nerd Duck based it on a flightless bird concept; something that's completely impossible. After all, a creature that waddles and can't fly couldn't possibly exist, right?"

Appearance

P3NGU is a regular penguin turned into a mech, with the only parts of its body not being entirely covered with mechanical parts being its torso and wings. On its mechanical head, it had giant, neon red eyes, and on its torso, it has a neon red light. All of its mechanical parts are connected to its body with giant screws. P3NGU also has a large metal jetpack on its back.

Event Strategy

As this enemy only appears through Sandbox mode, no strategy section is made for its current version. Instead, a strategy section for the one that appeared without Sandbox mode in Bathroom Approach is listed instead.

  • High DPS towers like the Pursuit, Crook Boss, Golden Minigunner, Ranger or Turret can be used to kill P3NGU.
    • As P3NGU can stun towers, stun immune towers like the Ranger or Pursuit are useful here, as they cannot be stunned by it.
    • The Commander and DJ Booth can be used to boost the DPS of these towers.
  • Defense reducing towers like the Pyromancer, Electroshocker or Freezer can be used to reduce its defense.
    • Do note that, on certain waves, P3NGU is a Freeze Immune enemy. This means freezing towers will be unable to reduce its defense.
    • As for most waves, P3NGU does not have any stalling immunities, some of these towers can be used to also stall them.

Sounds

Sound Description
Abilities
When the P3NGU performs Beak Beam ability
When the P3NGU performs Beak Beam ability
When the P3NGU performs Beak Beam ability

Corpse Variants

Thumbnails

Promotional Images

Renders

Miscellaneous

Trivia

  • A "Noot noot!" sound can be heard once the P3NGU stops firing, which is a reference to Pingu.
  • The P3NGU is unaffected by enemy appearance modifiers, such as Talk Like a Pirate Day.

Update History

  • 16 April 2025 - v1.61.0
    • P3NGU added.
    • Bug: P3NGU clips into the ground when made larger or smaller.
    • Bug: P3NGU cannot have its defense dropped by the Jester.
    • Bug: P3NGU's head does not move with its body in the Index.
  • 28 May 2025 - v1.65.0
    • P3NGU removed from the main game, now appears exclusively in Sandbox mode.
  • 18 October 2025 - v1.77.0
    • Bug: P3NGU breaks when targeting towers, causing it to get stuck.
  • 3 April 2026 - v1.88.0
    • P3NGU re-added to the main game, now appears in Bathroom Approach.
    • Health decreased from 7,000 to 2,500 in Easy difficulty.
    • Health decreased from 10,000 to 5,000 in Hard difficulty.
    • Speed increased from 2.25 to 2.35.
    • Cash given increased from  $875 to  $2,187 on death in Easy difficulty.
    • Cash given increased from  $1,000 to  $2,187 on death in Hard difficulty.
    • Defense decreased from 40% to 30%.
    • Unit damage decreased from 100 to 20.
    • Beak Beam cooldown decreased from 12 to 10.
    • Bugfix: P3NGU no longer breaks when targeting towers.
  • 22 May 2026 - v1.91.0
    • Bugfix: No longer clips into the ground when made larger or smaller.
  • 5 June 2026 - v2.0.0
    • P3NGU removed from the main game, now appears exclusively in Sandbox mode.

Notes

  1. ↑ Only the first P3NGU spawned in Bathroom Approach is a boss.


Bathroom Approach (Ducky Revenge Event)
Previous Debut Current Debut Next Debut
Flying Ducky
Wave 8
P3NGU
Wave 10
Elite Ducky & Evil Ducky
Wave 11


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