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