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Excursion Funnel
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“I can't get over how small you are!” This article is a stub. As such, it is not complete. You can help Portal wiki by expanding it.
The Excursion Funnel, also known as the Tractor Beam, is a game mechanic introduced in Portal 2. The mechanism creates a wide cylindrical beam of blue light that the player may enter or exit at any time. It seems to defy the laws of gravity, allowing anything/anyone who enters to become weightless and travel along the path of the Funnel. Anyone or anything caught inside the Funnel travels in the direction that the Funnel is flowing in, unless the Funnel is reversed, which is usually accomplished through the activation of a button.
An Excursion Funnel
Excursion Funnels can pass through portals and can cross vast distances, and can, therefore, be used to solve puzzles in which Funnels may not initially appear to be useful.
Excursion Funnels can also act as a mode of transportation for the player or objects across large gaps, as well as Gels. Gels caught in the Excursion Funnel will slowly follow the direction of the Funnel until the substance collides with a wall or until the Funnel is deactivated, making funnels useful for coating large areas in a short amount of time.
When inside an Excursion Funnel in the single player campaign, soothing music plays, possibly to relate the tactile sensation of being weightless in a funnel. All other sound is blocked out or significantly dampened.
In promotional material for Portal 2, Excursion Funnels are stated to be made of "Liquid Asbestos".
Gallery
Excursion Funnel
The earliest promotional image with a Super Button as placeholder
The earliest promotional image with a Super Button as placeholder
