Here is the full list of all 20 Immersive Poetry achievements.
Enter the Correct Code
Reset your Progress
Collect all Poem Parchments
Collect 5 Poem Parchments
Collect 3 Poem Parchments
Complete the Third Level
Take a Photo with the In-Game Photo Mode
Leave your Journal Behind
Investigate the Blue Object
See the Submarine
Complete the Sixth Level
Enter the Gate with no Gate
Collect 5 Groups of Mushrooms
Find your Wife's Glasses
Find the Music Box
Complete the Fifth Level
Complete the Fourth Level
Complete the Second Level
Complete the First level