Sentry Gun (BTD6)
For other uses, see Sentry Gun (disambiguation).
Sentry Gun
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 Creates temporary sentry guns and deploys them close to track anywhere in radius. |
| Tower | Engineer Monkey — Path 1 — Tier 1 | |
|---|---|---|
| XP cost | 160 | |
| Cash cost | $425 — Easy $500 — Medium $540 — Hard $600 — Impoppable | |
Sentry Gun is the Engineer Monkey's path 1 tier 1 upgrade in Bloons TD 6. 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 (30 seconds with 
Vigilant Sentries). If possible, an Engineer will spawn sentries at locations where the range of its sentries can cover at least 20% of the track. At base, sentries attack every 0.95s, pop up to 2 bloons, and have 40 range.
Crosspaths will affect newly spawned sentries.
- Larger Service Area: +4 range (total: 44)
- Deconstruction: Sentries deal +1 damage to Fortified and +1 damage to MOAB-class.
- Cleansing Foam: Sentries can cleanse bloons it hits, but will not grant damage to DDTs or shielded Dreadbloon.
- Oversize Nails: +1 pierce (total: 3), and changes damage type from sharp to shatter.
- Double Gun: Sentries shoot two projectiles per shot
Stats
For a complete list of Engineer Monkey stats, see Stats:Engineer Monkey (BTD6).
This data was last updated for: version 55.1
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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 | |
| 1-0-0 | $725 | $850 | $920 | $1,020 | $508 | $595 | $644 | $714 |
| 1-1-0 | $935 | $1,100 | $1,190 | $1,320 | $655 | $770 | $833 | $924 |
| 1-2-0 | $1,230 | $1,450 | $1,570 | $1,740 | $861 | $1,015 | $1,099 | $1,218 |
| 1-3-0 | $1,995 | $2,350 | $2,540 | $2,820 | $1,397 | $1,645 | $1,778 | $1,974 |
| 1-4-0 | $13,470 | $15,850 | $17,120 | $19,020 | $9,429 | $11,095 | $11,984 | $13,314 |
| 1-5-0 | $74,670 | $87,850 | $94,880 | $105,420 | $52,269 | $61,495 | $66,416 | $73,794 |
| 1-0-1 | $1,105 | $1,300 | $1,405 | $1,560 | $774 | $910 | $984 | $1,092 |
| 1-0-2 | $1,290 | $1,520 | $1,640 | $1,825 | $903 | $1,064 | $1,148 | $1,278 |
| 1-0-3 | $1,670 | $1,970 | $2,125 | $2,365 | $1,169 | $1,379 | $1,488 | $1,656 |
| 1-0-4 | $4,730 | $5,570 | $6,015 | $6,685 | $3,311 | $3,899 | $4,211 | $4,680 |
| 1-0-5 | $42,980 | $50,570 | $54,615 | $60,685 | $30,086 | $35,399 | $38,231 | $42,480 |
Strategy
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Update history
For a complete list of Engineer Monkey changes, see Update history:Engineer Monkey (BTD6).
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Sentry: pierce increased ― 1 → 2
Sentry: No longer gains Camo detection after loading a save (bug fix)- Sentry spawner: No longer ignores smart placement if the Engineer Monkey cannot reach the track (bug fix)
| “ | 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 |
” |
- 1-1-0, 1-2-0, 1-3-0, 1-4-0, 1-5-0
- Larger Service Area crosspath now increases Sentry range by +4
- 1-0-1, 1-0-2, 1-0-3, 1-0-4, 1-0-5
- Oversize Nails crosspath now allows Sentries to pop frozen Bloons
- Oversize Nails crosspath now increases Sentry pierce by 1
- 1-2-0, 1-3-0, 1-4-0, 1-5-0
- Deconstruction: now grants all Sentries +1 damage to Fortified & MOAB
- Overall cost reduced by $50 (due to cost changes for previous tiers)
- 1-3-0, 1-4-0, 1-5-0
- Foam makes Sentries shoot Foamy nails that strip properties
| “ | The MOAB offense of top path lacks for a mainly dps tower that is quite complex to use [...] the 320 crosspath will now be able to double dip on the Fortified & MOAB damage bonuses that it gains. — Update notes |
” |
- 1-2-0, 1-3-0, 1-4-0, 1-5-0
- Sentry: Deconstruction's bonus damage to MOAB-Class Bloons and Fortified Bloons are no longer mutually exclusive
| “ | Sentry placements are slightly changing to improve their reliability, and will now spawn closer to the track depending on how much range the sentry has. — Update notes |
” |
- Overall cost reduced by $50 (due to cost changes for previous tiers)
- Sentry deployment: Sentries now spawn within 20% of their range to the track
| “ | 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, 1-0-4, 1-0-5
- Double Gun Sentries now shoot two projectiles at once
- 1-0-3, 1-0-4, 1-0-5
- Sentry: Double Guns upgrade no longer reduces their pierce ― 2 → 3 (bug fix)
| “ | This was becoming annoying screen clutter with large numbers of sentries, and feels unnecessary when you can overclock the engineer itself to create more sentries instead. — Update notes |
” |
Overclock and Ultraboost abilities no longer target Engineer sentries
Description changed ― Creates temporary sentry guns and deploys them nearby. → Creates temporary sentry guns and deploys them close to track anywhere in radius.
Gallery
For more Engineer Monkey images, see Gallery:Engineer Monkey.
Screenshots
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This article or section needs more screenshots. See the screenshot guidelines for more information on what screenshots are needed and how to add them. |
Assets
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Portrait -
Sentry portrait -
Upgrade icon -
Insta Monkey icon
Models
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Sentry
In other languages
| Language | Name / Description | Notes | |
|---|---|---|---|
| Arabic | بندقية الحراسة صنع بنادق حراسة مؤقتة ونشرها في مكان قريب. |
— | |
| 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. |
— | |
| Spanish (LA) | Arma centinela Crea armas centinelas temporales y las despliega cerca. |
— | |
| Finnish | Vartiomiehen kivääri 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 | 감시 총 임시로 감시 총을 만들고 근처에 배치합니다. |
— | |
| Dutch | Geschutskoepel Creëert tijdelijke geschutskoepels en zet ze in de buurt op. |
— | |
| Norwegian | Vaktpistol Oppretter midlertidige vaktpistoler og distribuerer dem i nærheten. |
— | |
| Polish | Strzelający strażnik Tworzy tymczasowych strzelających strażników i stawia ich w pobliżu. |
— | |
| 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 grupperar dem i närheten. |
— | |
| Thai | ป้อนปืนระวังภัย สร้างป้อมปืนระวังภัยชั่วคราว และวางปืนในบริเวณใกล้เคียง |
— | |
| Turkish | Gözcü Silah Geçici gözcü silahlar oluşturur ve onları yakında konuşlandırır. |
— | |
| Chinese (simplified) | 哨兵枪 制造临时岗哨枪并在附近部署。 |
— | |
| Chinese (traditional) | 哨兵槍 製造臨時崗哨槍並在附近部署。 |
— | |
| This list was last updated for: version 43.1 | |||
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