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
Read the mind of 3 infected creatures
Find all hidden areas
Read the mind of 2 infected creatures
Read all minds
Finish Campaign on "Easy" Mode
Finish Campaign on "Standard" Mode
Collect all Memory Fragments
Read the mind of 1 infected creature
Rip off 50 monsters' heads
Finish Campaign on Disaster Mode