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 reached the tent.
You've collected a note in the radar station area.
You've unlocked the incident in the bunker.
You've collected all reports.
You've collected all articles.
You've collected all journal pages.
You've unlocked all safe spots.
You've collected a note in the church area.
You've collected a note in the burned forest area.
You've collected a note in the tree area.
You've explored the cave.
You've collected a note in the altar area.
You've collected a note in the cave area.
You've collected a note in the throne area.
You've lost the chase.
You've collected a note in the hunters cabin area.
You've encountered the anomaly.
You've collected a note in the circle area.