Mega Slow

Sandbox Only Content

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Mega Slow 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 Mega Slow. You may be looking for Slow, Slow Boss or Slow King.

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 <title source="title1"><default>Mega Slow</default></title>

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File:Quote.png

"This enemy has already taken quite a beating, but it can take a lot more!
Get ready for Mega Slows!"

―Commander dialogue on Wave 19 (Hardcore)

File:Quote.png

"This enemy has awweady taken quite a beating, but it can take a wot mowe! (๑•̀ㅂ•́)૭☒
Get weady fow Mega Swows! (☉ㅅ☉U)"

―Commander dialogue on Wave 19 (April Fools 2022 Hardcore)

Description

The Mega Slow was a large and tough enemy which only appeared on Hardcore mode. Currently, it can only be spawned in Sandbox mode if the player has the Sandbox Plus+ gamepass. While it had slightly slow speed, it had very high health for its debut. This makes it a very dangerous threat. Additionally, it has 15% defense, reducing the effectiveness of some towers. It also has Stun Immunity, which makes the Electroshocker and Warden only slow it down and makes it immune to knockback.

The Mega Slow can be spawned by the Void Reaver and Grave Digger, in Hardcore mode only. The Mystery Boss can also spawn the Mega Slow upon its death in Hardcore mode.

Strategy

• Because of the Mega Slow's early appearance and the increased prices of towers and upgrades in Hardcore mode, it may be the downfall of most players if they are unprepared for it.
  • For this reason, Farms are heavily recommended so that you will be able to afford more expensive upgrades sooner.
    • Depending on the length of the map, most players can continue farming until the Mega Slow reaches the main defense, assuming it is set up in the back.
  • Additionally, if multiple Lead Bosses were spawned from Mysteries on previous waves, the Mega Slow's debut can easily lead to a defeat on a shorter map.
    • If you are playing on a map with the Enemies Beta modifier, Lead Bosses will be less of a problem on their own, as Mysteries are replaced by Breaker2s.
• High DPS towers, such as a couple Level 2 Golden Minigunners, Accelerators or Turrets, are highly recommended against the Mega Slow.
  • If you are using Turret to take down the Mega Slow, extra towers may be required depending on the map as it has less DPS than Accelerator.
  • The Engineer is not recommended because it has slow DPS at low levels.
• Level 3 Golden Scout and Level 2 Golden Soldier spam are effective against the Mega Slow if there are enough of them, although towers with lead detection, such as the Golden Pyromancer or Mortar, will also be needed to deal with the Lead Bosses that spawn before the Mega Slow.
• The Military Base's Tanks and Humvee 3s can be effective against this enemy, as they deal full collision damage to defense enemies. Once the Mega Slow begins to spawn in hordes, however, their effectiveness is reduced.
• A Level 4 Golden Scout can easily take down the Mega Slow for a relatively cheap price.
• You can use slowing towers, such as the Toxic Gunner, Electroshocker, Warden or Sledger to slow this enemy down.
  • As the Mega Slow has the Stun Immunity, stunning towers like the Electroshocker will only slow it down instead of completely stopping it. Additionally, it prevents it from being knocked back.
  • Freezing towers and the Warden can only slow it down for a shorter period of time compared to an average-sized enemy, due to its large size.
  • The Electroshocker, Freezer, Cryomancer and Frost Blaster can also remove the Mega Slow's defense, allowing your towers to deal more damage.
    • This can stack, so the Freezer/Frost Blaster/Cryomancer and Electroshocker can together remove up to 53% of its defense.
    • The Pyromancer can also remove 50% of Mega Slow's defense, allowing your towers to deal even more damage.
    • Poison defense dropping towers like the Toxic Gunner can also drop 50% of its defense.

Gallery

Previous Variants

• Second version (8 May 2021 – 23 March 2022)
  Second version (8 May 2021 – 23 March 2022)
• First & Current version (29 October 2020 – 8 May 2021, 23 March 2022 – Present)
  First & Current version (29 October 2020 – 8 May 2021, 23 March 2022 – Present)

Corpse Variants

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

Miscellaneous

• Mega Slow on its Index icon.
  Mega Slow on its Index icon.

Trivia

• The appearance of the Mega Slow is similar to the old design of the Boss4 from Tower Battles.
• Weirdly, the health of the Mega Slow was increased in MEGA Servers, despite it not being able to spawn in a MEGA Server without admin commands.
• When the Mega Slow was frozen by the Sledger prior to the 23rd of March 2022, it had a chance to create a huge wall of ice.
  • This was due to one of its hooks being able to fall off of itself and fall far below the map, and the ice would attempt to encompass the hook.

Update History

• 29 October 2020 - Overhaul v1.0.0
  • Mega Slow added.
• 8 May 2021 - Overhaul v1.3.0
  • Defense changed from 15 to 15%.
  • Bug: The hook on the left shoulder of the Mega Slow falls off.
• 23 March 2022 - v1.1.0f
  • Bugfix: The hook on the left shoulder of the Mega Slow no longer falls off.
• 23 May 2023 - v1.7.3a
  • Energy Immunity replaced with Stun Immunity.
• 30 April 2025 - v1.63.0
  • Bug: Mega Slow no longer uses the death sound effect.
• 5 June 2026 - v2.0.0
  • Mega Slow removed from the main game, as it has been replaced by Blighted. Now appears exclusively in Sandbox mode.
  • No longer appears in the Index.

Hardcore
Previous Debut	Current Debut	Next Debut
Mystery Wave 17	Mega Slow Wave 19	Fallen Reaper Wave 21

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