Here is the full list of all 22 Iris.Fall achievements.
Find the hidden drawings behind the screen.
Complete Chapter 7
Place the music note more than once in the Book World.
Flip the pages more than 10 times in the Book World.
Complete Chapter 6
Solve the huge book projection puzzle in the Library without removing any items from the wheel.
Solve the typewriter puzzle in the Library on the first try.
Complete Chapter 5
Rotate the cube just 3 times to complete the cube puzzle on the first floor.
Chase after the resting cat 3 times in the Hall of Many-Doors.
Cover the eyes in the right order without making any mistakes.
Complete Chapter 4
Complete Chapter 3
Knock over the bucket by the fireplace.
Did not reset the clock hands.
Complete the puzzle without making any circuit mistakes.
Complete Chapter 2
Complete Chapter 1
Pick up an item in the shadow world.
Clear the game
Be blocked by different puppets in the shadow world.
Observe the girl's front projection at the wheel.