Circuit (Polluted Wasteland II)

ARTICLE

ADVANCED STATSADV. STATS

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Circuit

Polluted Wasteland & Hardcore • Polluted Wasteland II

<infobox>

 <title source="title1"><default>Circuit (Polluted Wasteland II)</default></title>

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File:Quote.png

"They're starting to use Circuits now!
Circuits will speed up other enemies when they die. Don't be caught off guard."

―Commander dialogue on Wave 21 (Challenge Trials)

File:Quote.png

"Hey that doesn't look right...
What are those things?"

―Commander dialogue on Wave 26 (Formerly, Nuclear)

Description

The Circuit, internally referred to as Circuit2, is an enemy that appears in Polluted Wasteland II and Challenge Trials. It has a somewhat high amount of health and a slightly fast speed. The Circuit has one ability, where on death, it speeds up nearby enemies by 25% with no limit, similar to the Speedy King.

The Circuit could be spawned by the Nuclear Monster. This means it could also appear in Oops! All slimes!, if spawned by the Nuclear Monster. It also could be spawned by the Mystery, Wave 27 onwards.

Appearance

The Circuit has glowing bright blue skin and a dark blue torso and legs. It has an energy pack on its back with an antenna that emits yellow sparks and six large batteries connected to it. It has a glowing desaturated yellow lightning bolt on its chest and desaturated yellow veins can be seen on its body. It also emits blue pulses and yellow particles from its torso and its head twitches whenever it runs.

It plays a thunder strike sound and visual on death.

Strategy

• High DPS towers, such as the Ranger, Golden Minigunner, Accelerator or Engineer are recommended to take down the Circuit.
  • The Commander and DJ Booth should be used to boost the firerate and range of these towers.
• Slowing towers, such as the Electroshocker, DJ Booth and Warden, may be useful against the Circuit and enemies that were sped up by it.
  • As the Circuit has the Stun Immunity, the Electroshocker and Warden will only slow it down instead of stopping it completely while knockback towers like the Brawler will not knock it back.
  • As it has Freeze Immunity, freezing towers cannot be used on it, though they can still be used on enemies boosted by it, as long as they are not Freeze Immune themselves.
  • Be aware that if an enemy gets boosted by other Circuits, the freeze will be negated. This also applies to other enemies being boosted by the Circuit.

Gallery

Corpse Variants

• Error creating thumbnail: File missing
  Second Corpse variant, current version (12 March 2025 – Present)

Trailers

• Circuit in the game trailer.
  Circuit in the game trailer.

Miscellaneous

• Error creating thumbnail: File missing
  Circuit on its Index icon.

Trivia

• The Circuit is currently the only Polluted Wasteland II enemy to replace two enemies.

Update History

• 29 July 2022 - v1.3.0
  • Circuit added.
  • Bug: Its ability can cause frozen enemies to start moving temporarily.
• 23 May 2023 - v1.7.3a
  • Energy Immunity replaced with Stun Immunity.
• 19 February 2025 - v1.54.0
  • Modern version added.
    • None of the changes are applied to the legacy version.
  • Now gives Error creating thumbnail: File missing$875 every 25% health lost.
  • Freeze Immunity added.
• 5 March 2025 - v1.56.0
  • Health decreased from 1,800 to 1,500.
• 30 April 2025 - v1.63.0
  • Bug: Circuit no longer uses the death sound effect.
• 24 September 2025 - v1.75.0
  • Now appears in Challenge Trials.
    • Has 1,000 health in Challenge Trials.
  • Cash given is now mode dependent.
    • Gives Error creating thumbnail: File missing$875 every 25% health lost in Polluted Wasteland II.
    • Gives Error creating thumbnail: File missing$250 every 25% health lost in Challenge Trials.
    • Default value is Error creating thumbnail: File missing$1 every 25% health lost.
  • Bug: Death visuals no longer appear.
• 22 April 2026 - v1.89.0
  • Health increased from 1,500 to 2,500 in Polluted Wasteland II and Sandbox mode.

Nuclear (Polluted Wasteland II)
Previous Debut	Current Debut	Next Debut
Fleshling & Amalgamation Wave 15	Circuit Wave 16	Breaker4 & Mutagenic Blight Wave 17

Challenge Trials
Previous Debut	Current Debut	Next Debut
Speedy Boss Wave 19	Circuit Wave 21	Giant Boss Wave 25

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