Here is the full list of all 20 Starship Traveller achievements.
It's just you and the ship now
Insist upon being the one to attack an intruder
Complete the game in Casual Mode
Make it safely home with the ship's cat
Defeat Dar-Villian guards while in a Dar-Villian's body
Aren't you the lionheart.
Be Selfish.
Find all the images hidden within Starship Traveller
Accidentally beat one of your own crew to death
Slay all three Squinn to replace your ship's provisions
Help an alien menace experience Ornithophobia
Complete the game in Classic Mode
Give a crew member an instant tan
Defeat the Manslayer Robot without asking for advice
They shot first!
...except for that one time.
Attempt to cure a crew member with your own special 'treatment'
Have mercy on the Rain Lord's guards
Sport the latest in android based fashion
Assemble your own crew for the first time