Sentry Gun (Battles 2)

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For the Bloons TD 6 upgrade, see Sentry Gun (BTD6). For other uses, see Sentry Gun (disambiguation).
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Sentry Gun
Portrait of Sentry Gun
Icon of Sentry GunCreates temporary sentry guns and deploys them nearby.
Tower Engineer Monkey — Path 1 — Tier 1
Cost $400

Sentry Gun is the Engineer Monkey's path 1 tier 1 upgrade in Bloons TD Battles 2. With this upgrade, the Engineer can deploy Sentry sub-towers within its range to pop Bloons. It deploys a Sentry every 10 seconds and each one lasts for 25 seconds. By default, Sentries attack every 0.98 seconds, pop up to 2 Bloons, and have 45 range. Sentries can inherit attack speed buffs from its parent, but the Engineer's sentry production cannot be affected by external attack speed buffs.

Crosspaths will affect newly spawned sentries.

Costs and sell values

Tiers Cost Sell value
1-0-0 $800 $560
1-1-0 $1,050 $735
1-2-0 $1,400 $980
1-3-0 $2,200 $1,540
1-4-0 $15,700 $10,990
1-5-0 $115,700 $80,990
1-0-1 $1,250 $875
1-0-2 $1,450 $1,015
1-0-3 $1,800 $1,260
1-0-4 $5,400 $3,780
1-0-5 $59,400 $41,580

Strategy

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Update history

For a complete list of Engineer Monkey changes, see Update history:Engineer Monkey (Battles 2).
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1-0-2, 1-0-3, 1-0-4, 1-0-5
  • Nerf Sentries can no longer stun Ceramics (bug fix)
  • Buff Sentry: attack cooldown reduced ― 1s → 0.98s
Recently, we altered Overclock so that buffing a parent tower will also buff all of its child towers (eg sentries). Additionally, in this update we’re fixing a bug with this, meaning that newly spawned child towers will now correctly inherit the buff. With these changes, it makes Sentry Champion incredibly strong but only when buffed up a lot by the likes of Homeland Defense and Overclock. We have decided to change Engineer so that the spawn rate of its sentries can no longer be affected by attack rate buffs, but we have also greatly increased Sentry Champion’s regular damage so that it’s much stronger on its own now.
— Update notes
  • Nerf Sentry: no longer affected by attack speed buffs
For more Engineer Monkey images, see Gallery:Engineer Monkey.

Screenshots

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Assets

In other languages

Language Name / Description Notes
Danish Sensormaskingevær
Skaber midlertidige sensormaskingeværer og indsætter dem i nærheden.
German Wachkanone
Fertigt zeitlich begrenzte Überwachungskanonen und startet sie in seiner Nähe.
Spanish Arma centinela
Crea armas centinelas temporales y las despliega cerca.
Finnish Vartiotykki
Luo väliaikaisia vartiotykkejä ja asettaa ne lähelle.
French Pistolet de sentinelle
Crée des pistolets de sentinelle temporaires et les déploie à proximité.
Italian Cannone sentinella
Crea cannoni sentinella temporanei e schierali nelle vicinanze.
Japanese ガードガン
一時的に見張り番を作り、付近に展開する。
Korean 경비 포탑
임시로 경비 포탑을 만들고 근처에 배치합니다.
Dutch Wachtersgeweer
Maakt tijdelijke wachtersgeweren en gebruikt ze in de buurt.
Norwegian Frontkanon
Oppretter midlertidige frontkanoner og distribuerer dem i nærheten.
Portuguese (Brazil) Arma Sentinela
Cria temporariamente armas sentinelas e as posiciona por perto.
Russian Турель
Строит временные турели и размещает их поблизости.
Swedish Vaktkulspruta
Skapar tillfälliga vaktkulsprutor och placerar ut dem i närheten.
Turkish Gözcü Silah
Geçici gözcü silahlar oluşturur ve onları yakında konuşlandırır.
Chinese (traditional) 哨兵槍
製造臨時崗哨槍並在附近部署。
Last updated: version 4.0.1