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Allows Monkey Ace to hit Camo Bloons and do more damage to them.
~ In-game description

Spy Plane is the second upgrade of Path 2 for the Monkey Ace in Bloons TD 6. It allows the Monkey Ace to detect and pop Camo Bloons and deal +1 damage to them with any attack and further upgrades. Monkey Aces with this upgrade also drop pineapples, as this is the upgrade after Exploding Pineapple.

This upgrade costs $295 on Easy, $350 on Medium, $380 on Hard, and $420 on Impoppable.

Description[]

Appearance[]

The Spy Plane retains the general shape and color of all tier-2 monkey aces that imitate the Sopwith Camel design, but with two pairs of concentric blue and yellow circles. The pilot goggles are now worn on the eyes with a blue reflection. The Rapid Fire upgrade adds two red lines across the front of the wings. Lots More Darts turns the fuselage gray. Sharper Shots turns the edges of the wings red. Centered Path turns the entire ace red.

Mechanics[]

Spy Plane is a rather simple upgrade, granting Camo Detection and +1 damage to Camos to all attacks, including the pineapples, seeing as it comes after Exploding Pineapple.

Targeting Priorities[]

Like all Monkey Aces, Spy Plane uses flight patterns as its targeting priority settings. It requires the Centered Path upgrade to access the Centered Path targeting option.

  • Circle: Flight pattern becomes a circular path around the runway.
  • Figure Infinite: Flight pattern becomes the shape of the infinite symbol (∞). As the Monkey Ace flies, it will pass its runway during its flight, specifically at each half of the whole flight path.
  • Figure Eight: Flight pattern becomes the shape of the number 8. As the Monkey Ace flies, it will pass its runway during its flight, specifically at each half of the whole flight path.
  • Wingmonkey: Instead of a fixed flight path, the Monkey Ace will attempt to fly as close to the path as possible, similarly to an Aircraft Carrier Plane. Available only via the Wingmonkey MK.
  • Reverse Flight: Shown by an icon of a reverse aircraft, the Ace will reverse direction of flight. Unlike other target priorities such as Change Hands, there is a cooldown of 5 seconds before being able to reverse flight direction again. It can be coupled with all flight options except Wingmonkey.

Costs[]

Updated as of Version 32.0. Listed prices exclude external buffs, any sacrifices, and Monkey Knowledge.
Purchase Sell
Costs Easy Medium Hard Impoppable Easy Medium Hard Impoppable
Upgrade (X-2-X) $295 $350 $380 $420 -
Total (0-2-0) $1,145 $1,350 $1,460 $1,620 $802 $945 $1,022 $1,134
Crosspath (1-2-0) $1,695 $2,000 $2,160 $2,400 $1,187 $1,400 $1,512 $1,680
Crosspath (2-2-0) $2,245 $2,650 $2,860 $3,180 $1,572 $1,855 $2,002 $2,226
Crosspath (0-2-1) $1,570 $1,850 $2,000 $2,220 $1,099 $1,295 $1,400 $1,554
Crosspath (0-2-2) $1,825 $2,150 $2,325 $2,580 $1,278 $1,505 $1,628 $1,806

This upgrade's prices (or included crosspath's prices) are affected by the following MK: MilitaryConscriptionIcon.png Military Conscription, AdvancedLogisticsIcon.png Advanced Logistics, BetterSellDealsIcon.png Better Sell Deals

Strategy[]

Summary[]

The Spy Plane upgrade allows the Monkey Ace to detect camo. However, utilizing this crosspath requires forgoing the damage per second boost of the "Rapid Fire" and "Lots More Darts" upgrades in Path 1 or pierce boost of "Sharper Darts" in Path 3. So, it is generally recommended to provide ace Camo Detection from external sources like Radar Scanner or Etienne. The exception, of course, would be if going for a middle-path bomber ace or if there are camo-detection restrictions, as in the case of Challenges and Two-Tower Chimps runs.

Starting from Version 31.0, which now deals bonus damage to Camo Bloons, Spy Plane can be viable as a specialization against Camo Bloons.

Tips[]

  • Although the lower-tier Ace is not the most reliable camo-popping source, the Spy Plane upgrade is a useful stepping stone to obtain higher-tier Aces.

Version History[]

Most of Spy Plane's balance changes have been inherited from previous upgrades, however 31.0 finally gave it a buff of its own, that being the ability to deal +1 damage to camos with all attacks.

22.0
23.0
28.0
30.0
More of a straight quality of life, Ace has gained a new special toggle button to allow it to turn back and fly in reverse on any selected flight pattern. [...]
~ Ninja Kiwi, referring to Reverse Flight
  • Buff Monkey Ace can now toggle flight direction for any pattern.
31.0
Spy Plane is always a lesser crosspath aside from specific challenges that call for camo detection. It has a similar vibe to Night Vision sniper so we have given it a similar buff.
~ Ninja Kiwi
  • Buff Spy Plane now deals +1 damage to Camo Bloons
  • [Undocumented] Description changed from "Allows Monkey Ace to hit Camo Bloons." to "Allows Monkey Ace to hit Camo Bloons and do more damage to them."

Gallery[]

Official artwork[]

Trivia[]

  • Spy Plane is the only returning upgrade in BTD6 where the name has the word "plane" as the second word.
  • 0-2-3 Neva-Miss Targeting wears goggles covering the pilot's eyes, but the pilot in the 3-2-0 Fighter Plane wears two pairs of goggles. Until a certain update, 3-2-0 Fighter Plane didn't wear goggles that covered the pilot's eyes.
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