All Atomic Heart endings and how to unlock them

sportskeeda.com:

Now that Atomic Heart is officially out, all of the game's endings have been unlocked. Set in an alternate version of 1955 in a Soviet Union research hub, massive technological breakthroughs have occurred through the Polymer. The recently released FPS title sees the protagonist use a Polymer glove to give him a wide variety of powers, as they seek out Dr. Sechenov, the person responsible for so many of the problems in the game.

Interestingly, Atomic Heart has two endings, and neither of them can really be considered a “good” ending. One is bad, and the other is significantly worse. As you play through the game, thankfully, your decisions and gameplay don't affect the ending of the title. You get one moment to decide what will happen, and here’s what happens.

Caution: This article contains major spoilers for the endings of Atomic Heart.

There are two endings in Atomic Heart, and both of these are triggered at the same point. You really have to ask yourself where you stand on Dr. Sechenov, and what the character has done throughout the game. If you want to figure out how to select your ending for the game, look no further.

While talking to Granny Zina in the final section of Atomic Heart, you’ll ask the protagonist, Major P-3, to make a choice. She asks if you will choose to fight Sechenov or not. Depending on which one you pick, you’ll get the following endings.

With this response, Granny Zina will help you get ready for the final battle with Sechenov. At this point, however, you’ll have to fight Left. Later on, in Sechenov’s office, you’ll have to do battle with both of the Twins at the same time, one of whom is the protagonist's wife in Atomic Hearts. At the end of the fight, Char-les, attached to the protagonist's glove,