Here is the full list of all 13 3001: A MILF Odyssey - there are NSFW Sci-Fi achievements.
Introduce yourself to the crew.
Kill the parasite infecting Doctor Smusher.
Get acquainted with the Android.
Save Lizzy.
Help Hadikay with her research.
Thwart the Ambassador's plan.
Complete the Bonding ceremony.
Seduce Tittyana.
Encounter the Pink Entity.
Make your case in front of the Khan.
Win your fight against Sasha.
Right in the face.
Modify Wendy.