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ARTICLE | ![]() |
ADVANCED STATS |


- "Is this a beginner?
I was lying!
If you have any questions, don't hesitate to contact us." - ―Commander dialogue on Wave 17 (Translated Easy)
Commander dialogue on Wave 24 (Translated Molten)

- "A fast boss that's AWSO hidden?
You GOTTA be kidding me! (ā_ā)
Pwease teww me you've got units to detect it by now.. (Ī¦ĻĪ¦)" - ―Commander dialogue on Wave 17 (April Fools 2022 Normal)

- "A fast boss that's AWSO hidden?
You GOTTA be kidding me! (ą¹ā¢Ģć ā¢Ģ)ą«ā
Pwease teww me you've got units to detect it by now.. | Ā“Ļ`|Ī¦" - ―Commander dialogue on Wave 24 (April Fools 2022 Molten)

- "Prepare for another boss!
(Hint: even more camo defense.)" - ―Beginning of Wave 17 (Pre-Overhaul, Beginner's)
Beginning of Wave 24 (Pre-Overhaul, Molten)

- "Get ready for a boss! Hint: Get camo defense."
- ―Beginning of Wave 22 (Pre-MEGA)
Description
The Hidden Boss is a large and fast boss that appears in Easy, Casual, Intermediate and Molten modes. It also appeared in The Classic Event. It has decent amount of health and decent speed. Towers must have hidden detection to target the Hidden Boss
The Hidden Boss used to be spawned from the Mystery Boss upon its death in the Easy and Molten modes.
The Hidden Boss was replaced by the Pro Streamer in Headache Headquarters.
Appearance
The current version of the Hidden Boss is a large humanoid with a waist, lower arms and lower legs in its rig. It is faceless and has a translucent dark grey body with a slime-like texture. It wears a black blindfold and cloak with a cape and sleeves, as well as black spiked braces with chains attached. It emits black smoke from its body.
The first version of the Hidden Boss was a large humanoid with a waist in its rig. It had a translucent black body and wears a black cape, cloak and sleeves along with a grey blindfold.
The current version of the legacy Hidden Boss has a translucent black skin and a black pebble torso and legs. It wears a black cape and a large pair of translucent black horns with a shorter pair behind them. It has an emissive white scar on its face with two streaks leaking on the right side of it.
The current Enemies Beta version of the legacy Hidden Boss is a large humanoid with a waist in its rig. It has a translucent black body and wears a black cape, cloak and sleeves along with a grey blindfold.
The third version of the legacy Hidden Boss had translucent black skin and a black pebble torso and legs. It wore a black cape and had a large pair of translucent black horns with a shorter pair behind them. It had a drooling zombie face with glowing white eyes.
The second version of the legacy Hidden Boss had translucent grey skin and a dark navy granite torso and legs. It wore a black cape and had a large pair of translucent black horns with a shorter pair behind them. It had a drooling zombie face with glowing white eyes. Grey smoke also came out of its torso.
The first version of the legacy Hidden Boss had translucent grey skin and a translucent dark grey torso and legs. It had a large pair of translucent black horns with a shorter pair behind them. It had a drooling zombie face with glowing white eyes. White particles also came out of its torso. Its walking animation had it hovering above the path.
Strategy
- While some splash damage towers like the Demoman and Mortar cannot target Hidden Bosses, they can hit them through splash damage, if another detectable enemy is near the Hidden Boss.
- The Minigunner is an obvious candidate for defeating the Hidden Boss due to their high DPS and their hidden detection coming at a reasonable cost.
- Towers like the Crook Boss, Soldier, Accelerator, Militant or Gladiator are also quite useful due to their hidden detection and high DPS.
- A Level 4+ Ace Pilot can provide hidden detection to towers that do not have it, making towers such as the Ranger and Mortar effective counters against the Hidden Boss.
- The tower must be in the range of the Ace Pilot's runway for them to receive hidden detection.
- You can use the Frost Blaster, Freezer and Warden to slow the Hidden Boss down.
- You cannot use the Toxic Gunner as they do not have hidden detection.
- While Sledger and Electroshocker do not have hidden detection, they can still indirectly hit the Hidden Boss if a detectable enemy is near it, though this should not be relied on as its quite inconsistent.
- Due to the Hidden Boss's size, it can only be stunned by the Warden or frozen for a shorter length of time compared to average-sized enemies.
- You cannot use the Toxic Gunner as they do not have hidden detection.
Gallery
Previous Variants (Modern)
Previous Variants (Legacy)
Icons
Promotional Videos
Trailers
Miscellaneous
Trivia
- When the Uber Mystery was in the game, it had a chance of spawning the Hidden Boss, upon its death, in Golden and Fallen modes.
- The current appearance of the Hidden Boss is very similar to the original version of the Shadow Boss.
- On some devices, the Hidden Boss may have transparent skin instead of black skin, with certain graphics settings.
- The cape used by the Hidden Boss is a re-textured version of the Guardian of the Night Cape accessory from the Roblox catalog.
- If the Hidden Boss is frozen by the Sledger, it will sometimes create a massive wall of ice.
- Multiple Hidden Bosses can be seen as a chess piece in the Chess Board map, representing the Bishop chess piece.
- One of the Hidden Bosses can also be seen hanging on the chess piece.
Update History
- 14 June 2019
- Hidden Boss added.
- 13 October 2019
- 26 May 2020
- First wave appearance changed from wave 24 to wave 17 in Beginners mode.
- 29 October 2020
- Health decreased from 600 to 450.
- Appearance changed.
- 8 May 2021
- Appearance changed.
- 31 October 2022
- Now has a new appearance with the Enemies Beta modifier active.
- 24 February 2024
- Modern variant added.
- Now uses Enemies Beta appearance in Easy mode.
- Speed increased from Above Average (4) to Slightly Fast (5) in Easy mode.
- Now gives
$400 upon death in Easy mode.
- 3 May 2024
- Cash given upon death increased from
$400 to
$600 in Easy mode.
- Now appears in Intermediate mode.
- Has 600 health in Intermediate mode.
- Gives
$600 upon death in Intermediate mode.
- Cash given upon death increased from
- 18 May 2024
- 23 May 2024
- Appearance and animation changed in Molten mode.
- Speed increased from Above Average (4) to Slightly Fast (5) in Molten mode.
- Now appears in Classic Forest Camp and Classic Castle.
- Has 450 health in Classic Forest Camp and Classic Castle.
- 28 May 2024
- No longer appears in Classic Forest Camp and Classic Castle, as they have been removed.
- 29 May 2024
- Send cooldown increased from 1 to 3.
- Economy boost decreased from
$24 to
$0.
- 21 June 2024
- Send cost increased from
$400 to
$480.
- Send cooldown increased from 3 to 4.
- Send cost increased from
- 19 July 2024
- Send cooldown removed.
- 25 September 2024
- 6 November 2024
- Hidden Boss can no longer have its defense dropped while a Boss enemy.
- 11 December 2024
- Now appears in Casual mode.
- Has 700 health in Casual mode.
- Health increased from 600 to 700 in Intermediate mode.
- Health increased from 450 to 700 in Molten mode.
- Now appears in Casual mode.
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Previous Debut | Current Debut | Next Debut |
Slow Boss Wave 16 |
Hidden Boss Wave 17 |
Bolt Wave 19 |
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Previous Debut | Current Debut | Next Debut |
Hazmat Wave 17 |
Hidden Boss Wave 18 |
Molten Necromancer Wave 20 |
Intermediate | ||
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Previous Debut | Current Debut | Next Debut |
Speedy Boss Wave 18 |
Hidden Boss & Failed Experiment Wave 20 |
Breaker4 Wave 25 |
Classic Forest Camp (The Classic Event, Mission 3) (23 May 2024 ā 28 May 2024) | ||
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Previous Debut | Current Debut | Next Debut |
Breaker2 Wave 5 |
Hidden Boss & Necromancer Wave 7 |
Breaker4 Wave 8 |
Classic Castle (The Classic Event, Mission 5) (23 May 2024 ā 28 May 2024) | ||
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Previous Debut | Current Debut | Next Debut |
Korblox Soul & Korblox Warrior Wave 5 |
Hidden Boss Wave 6 |
Hidden Wave 7 |
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Previous Debut | Current Debut | Next Debut |
Strong Wave 21 |
Hidden Boss Wave 22 |
Lightning Wave 26 |