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