In Atomic Heart, players need to find the door handle before they can proceed with the subsequent plot. Many players cannot find the door handle, so I will share with you the guide for obtaining the door handle in Atomic Heart for those who are interested. You can come for reference.
How to get the Atomic Heart Door Knob
1. Escape danger. Follow the story and come to the location in the picture below.
2. You can see the armored door, but it cannot be opened now. You need to find the door handle.
3. Climb up from here. There is a hole above, go inside.
4. Scan it. The red position is the door handle.
5. Get the door handle, go back the way you came, and open the armored door.