Welcome to Portal

Portal is an award-winning puzzle game where you play as Chell, navigating through a series of challenging rooms using a unique portal gun. This gun's ability to create portals between two surfaces allows you to solve complex puzzles, overcome obstacles, and creatively manipulate the laws of physics. With its innovative gameplay, and thought-provoking story, Portal offers an unforgettable experience that challenges both your logic and problem-solving skills.

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Multiple ways to play

In Portal, you can take your time to savor every puzzle, soak up the game’s quiet humor, and truly immerse yourself in its unique atmosphere. Or you can turn up the heat and speed through chambers at a fast pace, mastering clever glitches and advanced strategies to set your own personal records. If you’re looking for fresh challenges beyond the main campaign, a dedicated community of creators offers inventive custom maps that will keep you thinking, experimenting, and pushing the boundaries of your portal-making skills.

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Bending the laws of gravity

Portal is built on the unyielding pull of gravity, guiding each step as you pass through my halls. Your portals let you reshape that downward force, turning a simple fall into a soaring momentum. Without gravity, Portal would be empty; with it, you bend physics laws to your advantage.

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Play on Steam

Portal is available for purchase on Steam! Experience the groundbreaking puzzles and unique gameplay that redefined the genre. Want more? Check out The Orange Box, a bundle that includes Portal alongside Half-Life 2 and Team Fortress 2, offering incredible value for fans of legendary games.