Double Gun (BTD6)

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Revision as of 06:51, 6 December 2025 by Qwertyxp2000 (talk | contribs) (Strategy: some bits didn't make sense but i did some improvements i reckon)
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Double Gun
Portrait of Double Gun
Icon of Double Gun
Two guns for twice the fun.
Tower Engineer Monkey — Path 3 — Tier 3
XP cost 1,800
Cash cost $380 — Easy
$450 — Medium
$485 — Hard
$540 — Impoppable

Double Gun is the Engineer Monkey's path 3 tier 3 upgrade in Bloons TD 6. It halves the cooldown of the Engineer Monkey's base attack, doubling its attack speed. It alternates between its left and right guns, which are offset from each other by 6.16 distance units.

With the Sentry Gun crosspath, Sentries shoot 2 projectiles instead of 1, side-by-side.

Stats

For a complete list of Engineer Monkey stats, see Stats:Engineer Monkey (BTD6).
This data was last updated for: version 55.1
Tower
Display range40 units
Footprint radius7 units
Targeting options
  • First
  • Last
  • Close
  • Strong
Attack
Cooldown0.35s
Offset (X, Y, Z)
3.08, 11.39, 9.43 (side 1)
-3.08, 12.03, 9.43 (side 2)
TargetingDepends on targeting option
Targeting range40 units
Filters
  • Cannot target Camo
Projectile
Pierce8
Damage1
Damage typeShatter
Speed375 units/s
Lifespan0.24s
Radius2 units
Filters
  • Cannot hit Camo
Stun
Multiplier×0
Duration1s
Layers1

1-0-3

Spawner
Cooldown10s
Offset (X, Y, Z)
3.08, 11.39, 9.43
TargetingRandom position
Targeting range40 units
  • Ignores blockers

Sentry

Tower
Display range45 units
Footprint radius4 units
Lifespan25s
Targeting options
  • First
  • Last
  • Close
  • Strong
Attack
Cooldown0.95s
Offset (X, Y, Z)
0, 7.1, 7.78
TargetingDepends on targeting option
Targeting range45 units
Filters
  • Cannot target Camo
Projectile
Count2
Pierce3
Damage1
Damage typeShatter
Speed300 units/s
Lifespan0.25s
Radius2 units
Filters
  • Cannot hit Camo

2-0-3

Spawner
Cooldown10s → 5s

0-1-3

Tower
Display range40 units → 60 units
Attack
Targeting range40 units → 60 units

0-2-3

Attack
Projectile
Damage to MOAB-Class+1
Damage to Fortified+1

Costs and sell values

Note: this list does not factor in Monkey Knowledge or other discounts.
Tiers Total cost Sell value
Easy Medium Hard Impoppable Easy Medium Hard Impoppable
0-0-3 $1,245 $1,470 $1,585 $1,765 $872 $1,029 $1,110 $1,236
1-0-3 $1,670 $1,970 $2,125 $2,365 $1,169 $1,379 $1,488 $1,656
2-0-3 $2,010 $2,370 $2,555 $2,845 $1,407 $1,659 $1,789 $1,992
0-1-3 $1,455 $1,720 $1,855 $2,065 $1,019 $1,204 $1,299 $1,446
0-2-3 $1,750 $2,070 $2,235 $2,485 $1,225 $1,449 $1,565 $1,740

Strategy

This section was last updated for: version 52.1

Double Gun's faster rate lets it reliably carry early-game on single-lane-per-round maps, holding into the 20s without issue due to the consistent stun and good pierce. This makes it useful for affording expensive early purchases like Captain Churchill, but it falls off hard going into mid-game due to its weakness to Ceramics and its pierce becoming insufficient.

0-0-3 is the best crosspath for early game saveup due to its low price. 2-0-3 gets the most damage output, thanks to its double-shot sentries, and the middle crosspath is more powerful for Bloon Trap and XXXL Trap, but neither really matter for its main function.

Update history

For a complete list of Engineer Monkey changes, see Update history:Engineer Monkey (BTD6).
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Continuing our efforts to make crosspaths meaningful and fit the style of each path more solidly, a number of crosspath and base level balance shifts were made.
— Update notes
1-0-3, 2-0-3
  • Buff Oversize Nails crosspath now allows Sentries to pop frozen Bloons
  • Buff Oversize Nails crosspath now increases Sentry pierce by 1
  • Buff Overall cost reduced by $50 (due to cost changes for previous tiers)
While better than many options, base Engineer still takes a lot of available starting cash so the cost is reduced slightly [...] with a reduction to Double Gun’s price to reflect the lower value of the base tower.
— Update notes
  • Buff Upgrade cost reduced ― $500 → $450
    • Buff Overall cost reduced by $100 (due to cost changes for previous tiers)
Middle crosspath feels too good for Bloontraps because of the massive quality of life it brings, so we’re pushing the DPS more for top crosspath by allowing Double Gun to also double the projectiles of Sentries.
— Update notes
1-0-3, 2-0-3
  • Buff Double Gun Sentries now shoot two projectiles at once
1-0-3, 2-0-3
  • Buff Sentry: Double Guns upgrade no longer reduces their pierce ― 2 → 3 (bug fix)
For more Engineer Monkey images, see Gallery:Engineer Monkey.

Screenshots

Assets

In other languages

Language Name / Description Notes
Arabic بندقية مزدوجة
مسدسان لمضاعفة المرح.
Danish Dobbeltpistol
To maskingeværer gør det dobbelt så sjovt.
German Doppelwaffe
Zwei Waffen für doppelten Spaß.
Spanish Arma doble
Dos armas: el doble de diversión.
Spanish (LA) Arma doble
Dos armas: el doble de diversión.
Finnish Tupla-ase
Kaksi asetta tuplahupia varten.
French Double pistolet
Deux pistolets pour deux fois plus de fun.
Italian Pistola doppia
Due pistole per raddoppiare il divertimento.
Japanese ダブルガン
銃が二丁だと、お楽しみも二倍。
Korean 이중 총
총이 두 개니까 재미도 두 배입니다.
Dutch Dubbel pistool
Twee kanonnen zijn twee keer zo leuk.
Norwegian Dobbelpistol
To pistoler for dobbelt så mye moro.
Polish Podwójny pistolet
Dwie spluwy to podwójna zabawa.
Portuguese (Brazil) Arma Dupla
Duas armas para diversão dupla.
Russian Двойной пистолет
С двумя пушками вдвое веселее.
Swedish Dubbelkulspruta
Två kulsprutor är dubbelt så kul.
Thai ปืนคู่
เพิ่มปืนเป็น 2 กระบอกเพื่อความสนุกสองเท่า
Turkish Çift Silah
Eğlenceyi iki katına çıkaran iki silah.
Chinese (simplified) 双枪
享受两支枪的乐趣。
Chinese (traditional) 雙槍
兩支槍,雙倍樂趣。
This list was last updated for: version 43.1