Here is the full list of all 45 DEEMO -Reborn- achievements.
Play at least 2 charts (Difficulty level) on all songs
Play the Hard chart of all songs and achieve a score of 80% or higher on all of them
Play at least 2 charts (Difficulty level) on 50 different songs
Play at least 2 charts (Difficulty level) on 30 different songs
Achieve All Charming on 30 different charts
Find all the sketches in the castle
Recover all the wall paintings in the Trophy Room
Complete all the puzzles in the castle
There is no puzzle the feather duster can't solve.
Mirai's castle adventures
Obtain the golden sheet music in the Piano Room
Saw Masked Lady's treasured scenery
Collect all Runes on the stone tablets
Illuminate the entire castle
Solve all secrets in the Stack Room
Solve all secrets in the Second Floor
Solve all secrets in the Loft Room
Solve all secrets in the Book Room
This should be... okay, right?
Farewell Time
Watch the entire credits
Are these... my memories?
I... I won't allow you to proceed ahead!!
Is this some sort of weird... creature?
Obtain the golden sheet music in the Stack Room
Deemo, help me
Solve all secrets in the Basement
Obtain the golden sheet music in the Loft Room
Obtain the golden sheet music in the Book Room
Solve all secrets in the Trophy Room
Obtain the golden sheet music in the Trophy Room
Obtain the golden sheet music in the Second Floor
Obtain the golden sheet music in the Basement
The tree seems to have grown taller and bigger!
Where is this painting connected to?
Looks like you guys are having a fun time~
The tree... has blossomed
Play a song and miss all notes
When can I go home?
The tree bud seems to grow with the music
It sprouted~
First perfect performance
Why is there... a tree bud here?
First Performance
A mysterious girl who fell from the sky