Here is the full list of all 20 Kholat achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
You've survived!
You've unlocked the real ending.
You've collected all journal pages.
You've reached the tent.
You've collected all articles.
You've unlocked all safe spots.
You've collected all reports.
You've unlocked the incident in the bunker.
You've collected a note in the burned forest area.
You've explored the cave.
You've collected a note in the cave area.
You've collected a note in the throne area.
You've collected a note in the church area.
You've collected a note in the radar station area.
You've collected a note in the altar area.
You've collected a note in the hunters cabin area.
You've lost the chase.
You've encountered the anomaly.
You've collected a note in the tree area.
You've collected a note in the circle area.