Here is the full list of all 46 The Dream Machine: Chapter 1 & 2 achievements.
Complete the fourth chapter
Kill Edie's tentacle
Be a peeping tom
Listen to the teddy bear's song
Disrupt the tea party
Flush every toilet
Make sleeping powder
Complete the third chapter
Kill Alicia's tentacle
Get promoted to Command
Complete the blackmail letter
Commit arson
Complete the tasks
Complete the second chapter
Access Mr Morton's secret room
Kill Mr Morton's tentacle
Enter your first dream
Complete the first chapter
Solve the floor board puzzle
Explore the estate
Listen to your wife's dream
Escape the island
Solve the gramophone puzzle prematurely
Save the bartender from dying
Harass your neighbour, a lot
Purge the mover's dream
Restore the pumpkin kingdom
Make the witch's potion
Steal from the dead
Find a secret glade
Kill Martin's and Selma's tentacles
Continue his work
Complete the fifth chapter
Wake up again
Get a new job
Meet an old friend
Return the locket
Find all map pieces
Solve the maze puzzle
Circumnavigate yourself
Complete the sixth chapter
Complete the game
Try to escape your fate
Appoint a new king