Here is the full list of all 10 Space Pilgrim Episode IV: Sol achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Complete the Space Pilgrim saga.
Make an unnerving discovery.
Complete act three of Episode Four.
Complete act two of Episode Four.
Share a special moment with Jojo.
Share a special moment with Sabina.
Hit a man when he's down.
Bring two people together.
Complete act one of Episode Four.
Complete the prologue.