Here is the full list of all 23 Spice Pirates in Space: A Retro RPG achievements.
Complete the tutorial.
Stop Chet's schemes.
Find a woman with one thing left.
Find the abandoned moonie.
Find the missing person.
Talk to the resistance leader.
Take down an evil Space Wizard.
Beat the game with Captain Spice.
Beat the game with Ruth
Beat the game with Pinky Toe.
Win with Finnegan Againegan
Get the [S] keycard.
Get the [P] keycard.
Get the [I] keycard.
Get the [C] keycard.
Get the [E] keycard.
Get the Star keycard.
Get all the keycards.
You should know better than to pick up a duck in a dungeon. Luckily it's okay in this game.
Get a lil' something from Lil' Jay. (He looks like that in real life!)
Death. Well not really. Just get knocked out one time.