Full list of all 26 MO: Astray achievements. It takes around 10-12 hours to unlock all of the achievements in the base game on Windows.
The base game contains 25 achievements, and there is 1 DLC pack containing 1 achievements.
Finish Campaign on Easy Mode
Rip off 50 monsters' heads
Read all minds
Collect all Memory Fragments
Find all hidden areas
Finish Campaign on "Easy" Mode
Finish Campaign on "Standard" Mode
Read the mind of 3 infected creatures
Read the mind of 2 infected creatures
Read the mind of 1 infected creature
Finish Campaign on Disaster Mode