Portal

Trapped within the sterile, sprawling complex of Aperture Science, you are its newest test subject, armed only with the revolutionary Aperture Science Handheld Portal Device. This unique physics-based utility allows you to create two connected spatial rifts on flat surfaces, instantly transporting you and objects between distant points. Prepare for a masterclass in innovative first-person puzzle design as you navigate increasingly complex testing chambers using spatial logic and creative geometry.

This acclaimed adventure challenges you to solve intricate environmental trials by mastering the strange rules of momentum and connectivity. Combining thoughtful exploration with surprisingly kinetic action sequences, the gravity-defying platformer elements demand you approach every obstacle with a unique perspective to see the final chamber of this dark experiment.

• Master the surprisingly deep core mechanic of spatial transposition using the handheld utility.
• Experience the award-winning, darkly comedic narrative guided by the facility's AI.
• Launch instantly from any screen and continue your progress seamlessly where you paused last.