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Helicopter
(Regular • Cryo)
Article
Article
Gallery
Gallery

A mobile aerial tower with infinite range, stealth detection, and stun immunity! Avoids damage while attacking from above with full firepower.
- Store Description
Support from above! Very mobile air units will be using their entire arsenal at will.
- Former Store Description

Description[]

The Helicopter is an MH-6M Little Bird on its base level that fires at enemies with its machine guns. It is the first aerial tower added to Tower Defense X, allowing it to not take damage from enemies like Predators and Ravages, while being able to avoid a majority of attacks from bosses. The Helicopter essentially has infinite range as it is able to traverse around the map, which allows it to deal with leaks and its range is not restricted by obstacles unlike most towers. It cannot be buffed by support towers, and upon death, the Helicopter Pilot will lose control and will do a few spins before crashing down to the ground and exploding, which deals moderate damage to both towers and zombies alike, with the damage increasing based on the Helicopter's level. Both paths have Stealth DetectionStealth Detection, Stun ImmunityStun Immunity, and can Armour Penetration ignore resistances on their max levels.

Upgrades[]

The Helicopter's Top Path grants it the ability to move to the first enemy on the map, with later upgrades changing its Damage Type to Splash RadiusExplosive. This path is great for dealing with hordes of enemies on the later waves of Expert Mode due to it being able to counter enemies with high explosive resistance like Resurrected Juggernauts.

The Helicopter's Bottom Path grants it the ability to passively unstealth any enemies within its radius, and it is also granted PiercePierce, allowing it to damage two enemies at once. It also gains Stun ImmunityStealth, preventing bosses like Apex Predator from destroying it. The Bottom Path also moves faster when compared to its Top Path counterpart, making it more efficient for players to use the tower's abilities mid-game.

MinigunUpgrade
Minigun Upgrade
COST: Cash $2,000
Effect:
  • Damage +2.0 Damage
  • Reload Time -0.02s Reload Time
  • Health +100 Health
BarrelSpinning
Barrel Spinning
COST: Cash $6,000
Effect:
  • Damage +2.0 Damage
  • Reload Time -0.02s Reload Time
  • Health +100 Health
Huey
Huey
COST: Cash $15,000
Effect:
  • Damage +4.0 Damage
  • Range +12.0 Range
  • Stealth Detection Stealth Detection
  • Buff Ability: Move To First Enemy
  • Buff Passive Ability: Hellfire Missiles (50 DPS)
  • Health +600 Health
Apache
Apache
COST: Cash $57,500
Effect:
  • Damage +20.0 Damage
  • Pierce Damage Type: Bullet → Explosive
  • Splash Radius +0.5 Splash Radius
  • Speed +3.0 Movement Speed
  • Buff Passive Ability: Rocket Pods (75 DPS)
  • Buff Passive Ability: Hellfire Missiles (100 DPS)
  • Health +2,000 Health
WarApache
War Apache
COST: Cash $220,000
Effect:
  • Damage +55.0 Damage
  • Splash Radius +0.5 Splash Radius
  • Armour Penetration Ignore Explosive Resistance
  • Buff Passive Ability: Anti-Air Missiles (667 DPS)
  • Buff Passive Ability: Rocket Pods (409 DPS)
  • Buff Passive Ability: Hellfire Missiles (444 DPS)
  • Health +3,250 Health

1XPBIcon
Heavy Ammo
COST: Cash $1,450
Effect:
  • Damage +2.0 Damage
  • Health +100 Health
AdvancedTrainingHelicopter
Advanced Training
COST: Cash $1,750
Effect:
  • Damage +1.0 Damage
  • Range +5.0 Range
  • Stun Immunity Stun Immunity
  • Speed +1.0 Movement Speed
  • Health +100 Health
AH1ZViper
AH-1Z Viper
COST: Cash $14,000
Effect:
  • Damage +2.0 Damage
  • Pierce +1 Pierce
  • Stealth Detection Stealth Detection
  • Speed +6.0 Movement Speed
  • Buff Passive Ability: Hellfire Missiles (25 DPS)
  • Buff Passive Ability: Rocket Pods (33 DPS)
  • Health +1,000 Health
UpgradedArmaments
Upgraded Armaments
COST: Cash $17,500
Effect:
  • Damage +10.0 Damage
  • Buff Passive Ability: Hellfire Missiles (50 DPS)
  • Buff Passive Ability: Rocket Pods (75 DPS)
  • Health +250 Health
StealthComanche
Stealth Comanche
COST: Cash $70,000
Effect:
  • Damage +20.0 Damage
  • Armour Penetration Ignore Bullet Resistance
  • Range +8.0 Range
  • Stun Immunity Stealth
  • Stun Immunity Regain Stealth Time: 10.0s
  • Speed +12.0 Movement Speed
  • Buff Passive Ability: Passive Stealth Reveal
  • Buff Passive Ability: Hellfire Missiles (180 DPS)
  • Health +1,000 Health

Abilities[]

Set Location
Ability Type Movement
SetLocation

Base Level
Moves the Helicopter to a selected area.

Speed Move to Location
Buff 5.00s Cooldown

Follow Player
Ability Type Movement
FollowPlayer

Base Level
Makes the Helicopter follow the player's character.

Speed Follow Player
Buff 5.00s Cooldown

Pursuit
Ability Type Movement
PursuitEnemy

3-X
Makes the Helicopter follow the first enemy on the map.

Speed Follow First Enemy
Buff 5.00s Cooldown

Hellfire Missiles
Ability Type Passive
5XPBicon

3-X
X-3
Fires a missile at its current target.

Top Path:
Damage100.0 Damage (3-X) Buff 2.00s Cooldown (3-X)
Damage300.0 Damage (4-X) Buff3.00s Cooldown (4-X)
Damage400.0 Damage (5-X) Buff0.90s Cooldown (5-X)
Bottom Path:
Damage50.0 Damage (X-3) Buff 2.00s Cooldown (X-3)
Damage150.0 Damage (X-4) Buff3.00s Cooldown (X-4)
Damage180.0 Damage (X-5) Buff1.00s Cooldown (X-5)

Rocket Pods
Ability Type Passive
UpgradedArmaments

4-X
X-3
Fires rockets at its current target.

Top Path:
Damage75.0 Damage (4-X) Buff1.00s Cooldown (4-X)
Damage90.0 Damage (5-X) Buff0.22s Cooldown (5-X)
Bottom Path:
Damage100.0 Damage (X-3) Buff3.00s Cooldown (X-3)
Damage75.0 Damage (X-4) Buff1.00s Cooldown (X-4)

Anti-Air Missiles
Ability Type Passive
WarApache

5-X
Fires missiles at airborne enemies.

Damage1,000.0 Damage
Buff1.50s Cooldown

Passive Stealth Reveal
Ability Type Passive
StealthComanche

X-5
Reveals stealthed enemies within its range.

Buff Reveals Stealthed Enemies

Stats Table[]

Level Total Cost Health Damage
Splash Radius
Reload Time
Hellfire Missiles
Rocket Pods
Anti-Air Missiles
Range
Movement Speed
DPS
Cost : DPS
0-0 Cash $3,000 Health850
Damage2.0
Splash Radius0.0
Reload Time0.12s
N/A
N/A
N/A
Range13.0
Speed9.0
DPS16.7
179.6 : 1
1-0 Cash $4,200 Health950
Damage4.0
Splash Radius0.0
Reload Time0.10s
N/A
N/A
N/A
Range13.0
Speed9.0
DPS40.0
125.0 : 1
2-0 Cash $11,000 Health1,050
Damage6.0
Splash Radius0.0
Reload Time0.08s
N/A
N/A
N/A
Range13.0
Speed9.0
DPS75.0
146.7 : 1
3-0 Cash $26,000 Health1,650
Damage10.0
Splash Radius0.0
Reload Time0.08s
Damage100.0 every DPS2.00s
N/A
N/A
Range25.0
Speed9.0
DPS175.0
148.6 : 1
4-0 Cash $83,500 Health3,650
Damage30.0
Splash Radius0.5
Reload Time0.08s
Damage300.0 every DPS3.00s
Damage75.0 every DPS1.00s
N/A
Range25.0
Speed12.0
DPS550.0
151.8 : 1
5-0 Cash $303,500 Health6,900
Damage85.0
Splash Radius1.0
Reload Time0.08s
Damage400.0 every DPS0.90s
Damage90.0 every DPS0.22s
Damage1,000.0 every DPS1.50s
Range25.0
Speed12.0
DPS1,916.0[1]
158.4[2] : 1
Level Total Cost Health Damage
Pierce
Reload Time
Hellfire Missiles
Rocket Pods
Range
Movement Speed
Regain Stealth Time
DPS
Cost : DPS
0-0 Cash $3,000 Health850
Damage2.0
Pierce0
Reload Time0.12s
N/A
N/A
Range13.0
Speed9.0
N/A
DPS16.7
179.6 : 1
0-1 Cash $4,450 Health950
Damage4.0
Pierce0
Reload Time0.12s
N/A
N/A
Range13.0
Speed9.0
N/A
DPS33.3
133.6 : 1
0-2 Cash $6,200 Health1,050
Damage5.0
Pierce0
Reload Time0.12s
N/A
N/A
Range18.0
Speed10.0
N/A
DPS41.7
148.7 : 1
0-3 Cash $20,200 Health2,050
Damage7.0
Pierce1
Reload Time0.12s
Damage50.0 every DPS2.00s
Damage100.0 every DPS3.00s
Range18.0
Speed16.0
N/A
DPS116.7
173.1 : 1
0-4 Cash $37,700 Health2,300
Damage17.0
Pierce1
Reload Time0.12s
Damage150.0 every DPS3.00s
Damage75.0 every DPS1.00s
Range18.0
Speed16.0
N/A
DPS266.7
141.4 : 1
0-5 Cash $107,700 Health3,300
Damage37.0
Pierce1
Reload Time0.12s
Damage180.0 every DPS1.00s
N/A
Range26.0
Speed28.0
DPS10.0s
DPS488.3
220.9 : 1
Level Total Cost Health Damage
Reload Time
Range
Movement Speed
DPS
Cost : DPS
0-0 Cash $3,000 Health850
Damage2.0
Reload Time0.12s
Range13.0
Speed9.0
DPS16.7
179.6 : 1
1-1 Cash $6,450 Health950
Damage6.0
Reload Time0.10s
Range13.0
Speed9.0
DPS60.0
107.5 : 1
2-2 Cash $14,200 Health1,050
Damage9.0
Reload Time0.08s
Range18.0
Speed10.0
DPS112.5
126.2 : 1
Level Total Cost Health Damage
Splash Radius
Reload Time
Hellfire Missiles
Rocket Pods
Anti-Air Missiles
Range
Movement Speed
DPS
Cost : DPS
3-2 Cash $29,200 Health1,850
Damage13.0
Splash Radius0.0
Reload Time0.08s
Damage100.0 every DPS2.00s
N/A
N/A
Range30.0
Speed10.0
DPS212.5
137.4 : 1
4-2 Cash $86,700 Health3,850
Damage33.0
Splash Radius0.5
Reload Time0.08s
Damage300.0 every DPS3.00s
Damage75.0 every DPS1.00s
N/A
Range30.0
Speed13.0
DPS587.5
147.6 : 1
5-2 Cash $306,700 Health7,100
Damage88.0
Splash Radius1.0
Reload Time0.08s
Damage400.0 every DPS0.90s
Damage90.0 every DPS0.22s
Damage1,000.0 every DPS1.50s
Range30.0
Speed13.0
DPS1,953.5[3]
157.0[4] : 1
Level Total Cost Health Damage
Pierce
Reload Time
Hellfire Missiles
Rocket Pods
Range
Movement Speed
Regain Stealth Time
DPS
Cost : DPS
2-3 Cash $28,200 Health2,250
Damage11.0
Pierce1
Reload Time0.08s
Damage50.0 every DPS2.00s
Damage100.0 every DPS3.00s
Range18.0
Speed16.0
N/A
DPS195.8
144.0 : 1
2-4 Cash $45,700 Health2,500
Damage21.0
Pierce1
Reload Time0.08s
Damage150.0 every DPS3.00s
Damage75.0 every DPS1.00s
Range18.0
Speed16.0
N/A
DPS387.5
117.9 : 1
2-5 Cash $115,700 Health3,500
Damage41.0
Pierce1
Reload Time0.08s
Damage180.0 every DPS1.00s
N/A
Range26.0
Speed28.0
DPS10.0s
DPS692.5
167.1 : 1


Strategies[]

  • The Helicopter's Passive Stealth Reveal can make it act similarly to the C7 Drone ability. It is highly recommended to at least have one X-5 Helicopter available, as certain high damage towers in-game don't have built in stealth detection, making the Helicopter great support tower as well.
  • Unlike other towers, the Helicopter does not have a specific placement spot, meaning that space can be saved for more important towers if it is an issue for maps.
    • This is especially useful for Impossible maps since all of them have little space for towers.
    • Because of this, you can position many of them on top of a group of 5-X Farms, which can make it produce more cash and in turn give you enough to invest back into the Helicopter.
  • The Helicopter can be considered as a "lazy pick" (a tower that doesn't require much skill/monitoring to use effectively). This is especially shown on the top path with its Pursuit ability, with the tower not requiring any monitoring except upgrading it from time to time for it to reach the required damage output.
    • However, it is recommended to be aware of fast enemies, especially in Endless mode, as it cannot catch up to them as quickly as you want it to.
  • One of its abilities is to follow the player around, only stopping to attack enemies in its radius.
    • This makes it a great option for catching enemies that are leaking, especially slow moving enemies. Since the player walks slowly though, it may not always be possible to do this on long maps like Research Base.
    • It can also be used to prevent the Helicopter from dying to high AOE damage attacks such as Apex Predator's Core Collapse.
  • The Helicopter is very strong against flying enemies like Vile Seraphs due to its high damage and base level air detection, especially with the Anti-Air Missiles that the top path Helicopter possesses.
  • Compared to many other towers, the Helicopter has no environmental obstacle that can obstruct it, increasing its effectiveness and reliability.

Trivia[]

  • The Helicopter was previously called Attack Helo.
  • The Helicopter is the first aerial tower that has been added to Tower Defense X.
  • The Helicopter is the second tower that is currently able to ignore resistance on both paths, with the other tower being John.
    • The Helicopter is also the third tower to have different damage types for each path, after the XWM Turret and Patrol Boat.
      • The Helicopter is currently the only tower which has different damage types for each path while also ignoring resistance on both paths.
  • The Helicopter is one of seven towers/ability that received their own dedicated trailer, with the other six being Armored Factory, John, Warship, War Machine, Behemoth, and the AC-130 ability.
  • The helicopters that were seen in the teaser are the MH-6 Little Bird/Boeing AH-6, Boeing AH-64 Apache, RAH-66 Comanche, and the Bell AH-1 SuperCobra.
  • The Helicopter was revealed in a few shots of the 1st TDX Official Trailer in the background, despite it not revealing on how it works or attacks since it's only seen flying around in the air for the entire duration of the trailer.
  • Although the X-3 upgrade is called the AH-1Z Viper, the model more so resembles the AH-1W Super Cobra.
  • This is one of the few towers to see over obstacles alongside Warship, Artillery, Grenadier and XWM Turret.

Patch Notes[]

  • 27 September 2024
    • Helicopter has been released.
  • 27 September 2024[5]
    • Helicopter has been buffed.
      • Statistical Changes:
        • Level 5-X
          • Now gets Armour PenetrationIgnore Explosive Resistance
  • 28 September 2024
    • Helicopter has been buffed.
      • Statistical Changes:
        • Level 5-X
          • Damage increased: Damage +50.0 Damage > Damage +55.0 Damage
  • 29 September 2024
    • Optimized Helicopter crash; when a Helicopter crashes, only large parts are exploded.
    • Fixed Helicopters flying up really high on Research Base.
  • 1 October 2024
    • Helicopter movement is smoother and more realistic.
  • 9 October 2024
    • Helicopter can now target air enemies.
    • Helicopter has been buffed.
      • Statistical Changes:
        • Level 5-X
          • Added Passive Ability: Anti-Air Missiles (300 DPS)
  • 2 November 2024
  • 3 November 2024
    • Helicopter has been buffed.
      • Statistical Changes:
        • Level 5-X
          • Cost decreased: Cash $225,000 -> Cash $220,000
          • Anti-Air Missiles Passive Buffed: DPS300 DPS -> DPS667 DPS

Notes[]

  1. DPS2,582.7 against SpeedAirborne enemies.
  2. 117.5 against SpeedAirborne enemies.
  3. DPS2,620.2 against SpeedAirborne enemies.
  4. 117.1 against SpeedAirborne enemies.
  5. 4 hours later.
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