In Horizon Zero Dawn, Aloy, the protagonist of the game, has imperfect teeth and a three-dimensional uvula.
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In Red Dead Redemption 2, the water next to the coal mining town of Annesburg is polluted.
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If you stand in front of a mirror in Uncharted 4, Nathan Drake will pose.
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In Mass Effect, which is set in 2185, the precise layout of the solar system is accurate for that year.
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In Metal Gear Solid V, part of your objective is to recruit soldiers from all over the world. At Mother Base, where all these soldiers are stationed, there are universal power outlets.
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In The Division 2, shooting and destroying porcelain sinks will expose realistic plumbing.
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In Dishonored, you can steal a decanter of wine off the table while this portrait is being painted. If you do, it won't appear in the finished painting.
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In Control, a freshly mopped floor is visibly wet and incredibly realistic.
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Luigi's balloons in Super Mario Odyssey are a reference to the original SNES controller.
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In Spider-Man, Orthodox Jewish pedestrians don't appear in the game if you play on Saturdays. This is because Saturday is the Sabbath in Judaism.
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In Hitman, characters can see you sneaking up behind them if they're facing a mirror... unless that mirror is fogged up with steam from the shower.
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In Rise of the Tomb Raider, the only plant life you'll find in caves is located in the only areas where sunlight is shining through small cracks in the walls.
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In Battlefield 5, light shines through characters' ear cartilage in a hyper-realistic way.
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The light pollution over San Andreas in Grand Theft Auto V is noticeably realistic, especially when compared with the sky outside the city.
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In the Resident Evil 2 remake, Claire wears a jacket for the majority of the game. When she takes it off, her arms aren't as dirty as her face, neck, and chest.
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In LEGO Harry Potter, the boggarts turn into Harry if you play as Tom Riddle.
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In The Legend of Zelda: Breath of the Wild, an equipped flame blade will help keep Link from freezing to death in colder climates.
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In Alpha Protocol, this Russian yacht is called "Victory." But with the first two letters of the word removed, the meaning of the word changes to "trouble."
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In Skyrim, if you kill an NPC in the town of Whiterun, an urn will appear for them in the Hall of the Dead that contains the last of their possessions.
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In Sleeping Dogs, a crowd of onlookers will gather to watch if you're creating a public disturbance, like vandalizing a car for example.
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If you win a fight with Johnny Cage with Mortal Kombat 11, he'll celebrate by pulling out a Johnny Cage action figure with "Cassie" written on the sole of its foot. Cassie Cage is Johnny's daughter.
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In Fallout 3, the mess hall in the Enclave base has a grated floor. If you go underneath the grates, you'll find a lot of silverware that fell through.
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In Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!, there's a poster on your character's wall that depicts the battle between Gengar and Nidorino from the original Pokémon Red intro for Gameboy.
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If you watch the ice cubes long enough in Metal Gear Solid 2, they'll eventually melt.
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In The Witcher 3, there's a villager who's possessed by a demon and his shadow reveals his true form.
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In LEGO Lord of the Rings, you can find Peter Jackson eating a carrot, a nod to his cameo in Fellowship of the Ring.
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In Assassin's Creed Syndicate, you can spot flocks of birds flying in a V formation.
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In Tales from the Borderlands, Vaughn has subtle-yet-noticeable tan lines on his forearms.
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In The Witness, the reflection of the landscape in the still water is breathtaking.
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And finally, the zombies in Dying Light are captivated by the sunset. Every day at 20:30, they'll stop whatever they're doing to watch it.