Here is the full list of all 26 Nemezis: Mysterious Journey III achievements.
Amia stays on Regilus.
Bogard stays on Regilus.
Don’t let the Guide fulfil his plan.
Accomplish the game on a difficult level.
Enter the Andromeda hotel.
Read all the texts on laptops.
Collect all photos.
Get Amia and Bogard together.
Accomplish the 6th level.
Accomplish the 6th level without hints.
Talk with all the characters.
Accomplish the 5th level.
Accomplish the 5th level without hints.
Accomplish the 4th level.
Accomplish the 4th level without hints.
Read half of the texts on laptops.
Collect half of the photos.
Accomplish the 3rd level.
Accomplish the 3rd level without hints.
Accomplish the 2nd level.
Accomplish the 2nd level without hints.
Accomplish the 1st level.
Accomplish the 1st level without hints.
Solve the first puzzle.
Accomplish the game on a regular difficulty level.
Accomplish the game on both difficulty levels.