Reloaded: Portal

: If you place a blue or orange portal in the present, it automatically appears in the same spot in the future. However, placing a portal in the future does not move its counterpart in the present.

is a massive, fan-made mod for Portal 2 that introduces a third portal color—green—to the classic dual-portal formula. Released on April 19, 2021, to mark the 10th anniversary of Portal 2 , it is available for free to anyone who owns the original game on Steam . Core Gameplay Mechanics Portal Reloaded

: You can bring future versions of cubes back to the present, effectively allowing you to use two cubes to solve a puzzle, though you cannot take a present cube into the future. Content and Story PORTAL RELOADED - Full Walkthrough : If you place a blue or orange

: What you do in the present directly affects the future, but actions in the future do not change the past. Released on April 19, 2021, to mark the

The defining feature is the , which allows you to travel between two different timelines: the present and a version of the facility 20 years in the future.