Easter Eggs and Hidden Details in Stalker 2.
Stalker 1 Main Menu
In a small ruined building at the Cooling Tower you can find Stalker 1 (S.T.A.L.K.E.R.: Shadow of Chernobyl) main menu screen. The text on the wall says "She doesn't let go".
Harry Potter Flying Car
In middle of the six islands in right down corner of the map at the Swaps, you can find a car on top of a tree. This car is the one Ron Weasley and Harry Potter have crashed into the Hogwarts Whomping Willow in Harry Potter and the Chamber of Secrets movie.
DayZ Livonia
When entering Post Office in Lesser Zone, the first house in your left has a card on the table with a reference to Livonia of DayZ game.
Sword in Bonfire
Down the Burnt Forest is a helicopter in front of the south dam. Follow the path in front of the helicopter next to water to find a bonfire with a sword in it. It's a reference to Coiled Sword in the Dark Souls game.
Stalker 1 Wallpaper
Your first major town in game is Zalissya, which is located in middle of the Lesser Zone. A little left of Zalissya in the map, you can find this view which is from a wallpaper from Stalker 1.
Sniper Mission in Call of Duty
This sniper in top of a building at the Prypiat looks very much like the One Shot, One Kill mission you do in the Call of Duty 4: Modern Warfare game.
Car on side of Building
The biggest building in Prypiat, the zone on way top of the map, has a car hanging on it's south side.
Chernogorsk Map from DayZ
The main town in middle of the Malachite (the area on way left of map) has the map of Chernogorsk from Dayz game. Go inside Pythagoras and then up the stairs next to the trader to see it on wall in your left.
Cossacks 3 Mouse Pads
The main town in middle of the Malachite (the area on way left of map) has Mouse Pads with Cossacks 3 written on them. Cossacks 3 is a game made by same developers of Stalker 2. Go inside Pythagoras and then up the stairs next to the trader to see it on the computer tables.
Little Doll
You can find a little doll with blue hair throughout the game. I don't know what's the doll reference for but it's a popular doll from 1986 in Ukraine.
This one is inside the middle pipe in Unit Pumping Station at the Cooling Towers and the text next to her says "Don't shit for me here!" (It might be "Don't shit here!" which might mean, "keep this place clean!") Also you can only get to this one by using some mods and jumping into the pipe.
Party Lightning
A building named River Port in right of Prypiat's map has a weird affect. If you get close to it you will see nothing, but if you get back, you can see party lights inside it.
Witcher Medallion
The locked room with Weird Pot in the house at the MIST of Burned Forest (left down corner of the area) has a Medallion from The Witcher game. (How to access the room)
Burning Tree
A tree down the Rozylizhdzhe at the Burnt Forest gets hit by lightning constantly. [Source]
Witcher
Some NPCs are named Witcher. CD Projekt RED while working on The Witcher game was analyzing early Stalker 1: Shadow of Chernobyl builds. Both games were released in 2007.
Easter Egg Basket
There is a basket full of Easter Eggs on top of a unfinished building on top right of Rostok Depot building in middle of Rostok.
Livonia Map from DayZ
The main base in middle of the Malachite (the area on way left of map) has the map of Livonia from Dayz game. Go inside Pythagoras and then look behind the woman trader, Viktoria Dorozhnyuk.
Loaded Weapon Weight
Loaded and Unloaded guns have different weights.
Stalker Duck
There is a little duck with a gas mask on her face in White House of Prypiat. She's in the last floor in the bathroom.
Burning Tracks
There is a flame trail like in Back to Future movie on rails, right behind SKD Assembly Unit in Cooling Towers. (Top middle of area)
GeForce RTX™ 4070 Ti SUPER 16G GAMING SLIM STALKER 2 EDITION
SIRCAA Main Building in SIRCAA (B2 in end of the hallway behind two scientists talking with each other) with a NPC called Dr. Dalin in it, has a GeForce RTX™ 4070 Ti SUPER 16G GAMING SLIM STALKER 2 EDITION on one of the tables.
Wilhelm Scream
After entering Tornado base in way left of YANIV area for the first time, you will hear the famous Wilhelm Scream. It's a sound a character called Wilhelm made after getting hit by a arrow in The Charge at Feather River (1953) movie.
Ukrainian Marine Corps Logo
Check out your knife for Ukrainian Marine Corps logo on it.
Poppy Fields
The red area in top left corner of the Lesser Zone is a reference to Poppy Fields in Alice in Wonderland. If you go into the zone in the game, your character will feel sleepy, which is the same effect it gives to people in Alice in Wonderland.
Dr. Claw from Inspector Gadget
Entering Olimpiya Cafe tunnels in way top of Prypiat, you will find a burned NPC with a angry cat watching TV. This is a reference to Dr. Claw and his cat, two characters in Inspector Gadget movies and shows. (Finding this one might be hard because the room is locked and you need to use freecam mod to enter it. after you find a long hole with bunch of floors, go to the one with a guy hanging from it)
The Plant from WALL-E
Entering Olimpiya Cafe tunnels in way top of Prypiat, you will find a dead NPC showing his shoe with a blue plant in it. This is a reference to The Plant in Wall-E movie. (Finding this one might be hard. after you find a long hole with bunch of floors, go to the top one. if you enter tunnels from the building, its in the hallway behind the locked door with the number 12 on it)
Playable Guitar
There is a guitar in the building you sleep, in Zalissya Bar in middle of the Lesser Zone. Can play it anytime while sitting around a fire and it adds no weight.
GSC
You can find GSC written on bullet of guns. GSC is the name of the company that made Stalker 2 game.