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

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

: 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. : You can bring future versions of cubes

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. Core Gameplay Mechanics : If you place a

: What you do in the present directly affects the future, but actions in the future do not change the past.