Time really passes in the blink of an eye, it’s been 10 years since Portal 2 came out. Consider celebrating the game’s 10th anniversary with Portal Reloaded, a free mode, available on Steam as of last night.
Portal Reloaded adds a third, green portal to blue and orange portals. The trick of this new portal is that it is a time travel portal; You’re trying to solve the puzzle with changes you’ve made in the past.
Jannis Brinkmann’s mode since 2014 comes with an original story, 25 new puzzles, new voiceovers and music. Portal Reloaded;’s Steam page you can download and play this mode if portal 2 is available in your Steam library.