Cyberpunk 2077 is a massive game. It's got an exciting narrative that unfolds across a wide variety of different quests, but there's even more to it than that. While you're out exploring, you'll find that there are tons of Easter eggs to uncover. Some of them are references to past CD Projekt RED games, and others are sneakier tributes to pop culture.
One of the coolest surprises in Cyberpunk 2077 definitely has to be the inclusion of Portal's Genetic Lifeform and Disk Operating System, or GLaDOS, as part of one of the game's side quests involving the automatic Delamain taxi service.
Where to find the GLaDOS car in Cyberpunk 2077
You can set off in Night City to track down a car that belongs to the automated Delamain taxi service as part of the mission "Epistrophy." You'll need to go about completing the various subtasks for that mission until a "Very Low" threat mission shows up in your Journal. You'll be tasked with picking up V's car from the garage. Once you get there and leave, a rogue artificial intelligence from the Delamain taxi service will take over, as is usually the case with Epistrophy quests.
Once the Delamain taxi goes rogue, you'll have to start heading to Delamain HQ, like you always do with these Epistrophy quests. In them, you're tasked with collecting all the lost Delamain vehicles, each with their own unique personalities -- a part of Delamain himself, who has splintered off into various parts of his psyche.
You'll have to track down the car with GLaDOS "inside" all the way to the Coastview area in the game. There, you'll be accosted by the Voodoo Boys, and will hear a very familiar voice coming from the Delamain taxi.
GLaDOS will make herself known, and you'll start hearing lines straight from the original Portal games. Unfortunately, the team didn't have new lines recorded for the game, and as such the car will only spout lines GLaDOS has spoken before. Still, it's a very interesting addition to the game that will thrill players who may not have been expecting such an experience.
Ultimately, there's no in-game reference beyond the spoken lines to GLaDOS, but gamers will recognize that voice immediately once it rings through the air. It's a fun addition to a long line of Easter eggs that can be found in-game, and this particular one isn't very hard to find. Once you finish the mission, the Delamain car will return to its fleet and go back to normal.
But you should still be on the lookout for other cool cameos going forward. You never know what you'll see in Night City.
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