Here is the full list of all 18 Figment 2: Creed Valley achievements.
Complete the entire Ethics Maze without taking any wrong turns
Get all Remembrane Shards in every level
Complete the game
Dance with The Jester in The Moral Compass Core
Unlock all memories
Encounter The Jester in Limbic Uplands
Use a Thought Block to kill an enemy
Solve the crime in Principle Square
Score a goal in Principle Square
Enjoy some cerebrum cider in Principle Square
Fulfill the wishes of the Worker Opinion in Principle Square
Complete the Ethics Maze
Have a Slammer destroy an enemy
Deal with The Jester in Conviction Lane
Get hit in the head by a Coco Bulb
Unlock your first memory
Listen through the entire work-life-balance argument in Conviction Lane
Defeat the Nightmare in Outer Cerebrum