Here is the full list of all 29 Dream achievements.
Finish all four mazes without getting caught.
Collect all the Dream bible pages.
Visit all the side dreams.
Finish Act Three's Nightmare.
Finish Act Three.
Finish the graveyard puzzle in ten moves or less.
Find the mess on floor one.
Finish Act Two.
Finish Act Two's Nightmare.
Eat all the cupcakes.
Leave on all the lights before sleeping.
Finish Act One's Nightmare.
Show off your festive side.
Play the first bar of 'Counting Sheep'.
Find a past project.
Finish Act One.
Find the memories of an old experiment.
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