Here is the full list of all 11 REVERSE SIDE achievements.
Pass the test at the cosmonaut training center.
Ideal joining.
To finish process of joining of the spaceship.
To finish chapter: "Arrival"
To find a signal source.
To finish chapter: "Preservation"
To finish chapter: "Zefanit"
To finish chapter: "Heritage"
To finish chapter: "In a shadow"
To finish chapter: "The forbidden contact"
Find a photo of the last crew.