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The Excursion Funnel 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.
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.
Trivia
- 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 Super Mario Galaxy, there is something that looks similar to, and has a similar function to, the Excursion Funnel from Portal 2. It has the same blue swirls and transparency.
- Because of the fine print in the early Portal 2 trailers, many people have come to believe that the funnel is made of liquid asbestos. This theory is supported by the liquid ambiance one hears while traversing a funnel, but is refuted by the fact that the funnel does not exhibit any other liquid qualities and does not refract light in the way clear gel or water does.
- Rather, it seems to be related to the Hard-Light Bridge. Both objects have a translucent blue color with sine waves running along their length, can be beamed through portals, and are opaque to Turrets. It is, therefore, likely also created from natural light.
Gallery
| Excursion Funnel |
| The earliest promotional image with a Super Button as placeholder
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| The promotional image in the E3 Demo
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| An Excursion Funnel in the forward direction
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| An Excursion Funnel in the reverse direction
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Related achievements
Portal 2
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Tunnel of Funnel
Master the Excursion Funnel
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External links
