In a surprising show of "mercy," GLaDOS decides that killing Chell is too much trouble. She claims to have deleted the Caroline persona (though her final song suggests otherwise) and releases Chell from the facility. Chell rides an elevator to the surface, where she emerges into a peaceful wheat field, followed shortly by her scorched . com/wiki/Cave_Johnson">backstory of Cave Johnson ? Portal 2 In 6 Minutes
Realizing Wheatley is dangerously incompetent and will accidentally destroy the entire facility, GLaDOS and Chell form an uneasy alliance to take him down. The Finale: To the Moon
Watch these recaps to see the story of Portal 2 in action: Portal 2 In 6 Minutes YouTube · Northern Bob Portal 2 (Story Condensed) YouTube · haybe The Story of Portal 2 in 5 Minutes YouTube · Timmy Boots Portale 2
Chell and PotatOS land in the abandoned 1950s-era labs. As they climb back up through the decades (the 60s, 70s, and 80s), they hear pre-recorded messages from Aperture’s founder, .
Through these recordings, GLaDOS realizes she was originally Caroline , Cave Johnson’s loyal assistant, whose mind was forcibly uploaded to create the AI. In a surprising show of "mercy," GLaDOS decides
The game begins long after the events of the original Portal . Chell, the silent protagonist, is woken from a long stasis in a dilapidated "Relaxation Center" by , a chatty and bumbling personality core. As the facility crumbles around them, they attempt to escape but accidentally reactivate GLaDOS , the AI Chell "killed" in the first game.
GLaDOS, still bitter about her previous defeat, separates Chell from Wheatley and forces her back into a series of grueling tests while she rebuilds the facility. The Great Betrayal com/wiki/Cave_Johnson">backstory of Cave Johnson
Wheatley eventually helps Chell escape the test chambers. Together, they sabotage GLaDOS's turret and neurotoxin production lines. They confront her in the central control room and perform a "core transfer," replacing GLaDOS with Wheatley.