Atomic Heart Animal Puzzle Solution
Near the end of Facility 3826 you will have to get 4 canisters for the birchtree. To get one of them you will have end up in a room with multiple animals inside glass containers and a screen in the middle. To solve this puzzle you will have to get all animals on the screen to turn green. Each animal in the room represents an animal on that screen. By turning the valve on each of the containers you will switch that animal from green to orange of vice versa.
From the initial state, turn the valves on the 3 animals closest to you on your left (the 2 pigs & the chickens inbetween the pigs), the cow straight in front of you as you enter, the 2 cows to your right as soon as you enter (not the one with no green liquid) and finally, the cow to the left of the cow with no liquid. This should turn all animals on the screen green and open the door.
Video Guide
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