Gizmo

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Gizmos are interactive elements on maps in Bloons TD 6, Bloons Adventure Time TD, and Bloons TD Battles 2. Their location and function varies. Many of them cost cash to activate, similar to removables, and are not affected by the difficulty. Gizmos that cost cash are similarly affected by the Removable Cost Rate challenge rule, and setting it to "disabled" also disables gizmos that do not cost cash.

List of maps with gizmos

Bloons TD 6

Polyphemus

The "eye" in the center of Polyphemus costs cash to open, and provides buffs to towers placed in it. It closes after every round number ending in a 5, requiring progressively more cash to be spent to open it.

Ancient Portal

Ancient Portal contains a "Realign Portal" gizmo which toggles which of the two portals Bloons are sent to. It is currently the only gizmo which is always free to activate.

Castle Revenge

Castle Revenge has a "Pressure Valve" near the end which costs cash to activate. When activated, it blows back nearby Bloons.

Dark Dungeons

Dark Dungeons has a statue which may be activated, summoning a spirit to pop Bloons around the map. The spirit may be upgraded with further cash investments.

Workshop

Workshop has two gizmos: One which enables track extensions to force Bloons to take a longer path, and one to slow down Bloons. Both gizmos start out free but increase in cost each time they are used.

Bloons Adventure Time TD

Supermonkey Villa

The Supermonkey Beacon and the prompt to activate the beacon.

Supermonkey Villa contains a beacon which can be activated for $1500 to summon a Super Monkey Storm that deals 100 plasma-type damage to all Bloons on-screen, and has a 120-second cooldown.

Bloons TD Battles 2

COBRA Command

COBRA Command contains a button near the top of the map which allows the player to activate an alternate shorter path for the Bloons that spawn on the opposing side. Its cost varies depending on the round number. It has a cooldown after activating it.

Update history (BTD6)

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