Full list of all 107 GLASS achievements.
The base game contains 26 achievements, and there are 9 DLC packs containing 81 achievements.
Completion of all achievements including Unlock
Completed gathering of 24 achievements
Michelle Voice Collection 100%
Iris Voice Acquisition 100%
Renki Voice Acquisition 100%
View GLASS Step Roll
Michelle Puzzle 100%
Michelle Puzzle 200%
Michelle Puzzle 100%, Voice Acquisition 70%
100% All Illustrations Collected
Achieve all the achievements except 100% Voice Achievement of Voice
Michelle Voice Acquisition 50%
Michelle Gallery Open
Michelle Puzzle 1st Stage Clear
Iris Gallery Open
Iris Puzzle 100%
Iris Puzzle 200%
Iris Puzzle 100%, Voice Acquisition 70%
Iris Voice Acquisition 50%
Iris Puzzle 1 Stage Clear
Renki Gallery Open
200% Renki Puzzle
Renki Puzzle 100%, Voice Acquisition 70%
Renki Puzzle 100%
Renki Voice Acquisition 50%
Renki Puzzle 1st Stage Clear
Completion of Celes all achievements including Unlock
Celes Voice Collection 100%
Celes Gallery Open
Celes Puzzle 100%
Celes Puzzle 200%
Celes Puzzle 100%, Voice Acquisition 70%
Celes Voice Acquisition 50%
Celes Puzzle 1st Stage Clear
Frina Gallery Open
Completion of Frina all achievements including Unlock
Frina Voice Collection 100%
Frina Puzzle 100%
Frina Puzzle 200%
Frina Puzzle 100%, Voice Acquisition 70%
Frina Voice Acquisition 50%
Frina Puzzle 1st Stage Clear
Inoka Voice Collection 100%
Completion of Inoka all achievements including Unlock
Inoka Gallery Open
Inoka Puzzle 100%
Inoka Puzzle 200%
Inoka Puzzle 100%, Voice Acquisition 70%
Inoka Voice Acquisition 50%
Inoka Puzzle 1st Stage Clear
Kasumi Gallery Open
Completion of Kasumi all achievements including Unlock
Kasumi Voice Collection 100%
Kasumi Puzzle 100%
Kasumi Puzzle 200%
Kasumi Puzzle 100%, Voice Acquisition 70%
Kasumi Voice Acquisition 50%
Kasumi Puzzle 1st Stage Clear
Lena Voice Collection 100%
Completion of Lena all achievements including Unlock
Lena Gallery Open
Lena Puzzle 100%
Lena Puzzle 200%
Lena Puzzle 100%, Voice Acquisition 70%
Lena Voice Acquisition 50%
Lena Puzzle 1st Stage Clear
Get GLASS OST
100% Petit Renky Puzzle
Petite Renky Puzzle 200%
Achieve all Petit Renki achievements
Achieve all Petit achievements
Petite Renky Gallery Open
Petite Renky Puzzle Stage 1 Clear
100% Petit Michel Puzzle
Petit Michel Puzzle 200%
Achieve all achievements for Petit Michelle
Open Petit Michelle Gallery
Petit Michelle puzzle stage 1 clear
Petit Iris Puzzle 200%
Achieve all achievements of Petit Iris
100% Petit Iris Puzzle
Open Petit Iris Gallery
Petit Iris Puzzle Stage 1 Clear
Eily Voice Collection 100%
Completion of Eily all achievements including Unlock
Eily Puzzle 100%
Eily Puzzle 200%
Eily Puzzle 100%, Voice Acquisition 70%
Eily Voice Acquisition 50%
Eily Gallery Open
Eily Puzzle 1st Stage Clear
Petit(Part2) Celes Puzzle 200%
Achieve all achievements of Petit(Part2) Celes
Achieve all Petit(Part2) achievements
100% Petit(Part2) Celes Puzzle
Open Petit(Part2) Celes Gallery
Petit(Part2) Celes Puzzle Stage 1 Clear
100% Petit(Part2) Eily Puzzle
Petit(Part2) Eily Puzzle 200%
Achieve all achievements of Petit(Part2) Eily
Open Petit(Part2) Eily Gallery
Petit(Part2) Eily Puzzle Stage 1 Clear
Petit(Part2) Lena Puzzle 200%
Achieve all achievements of Petit(Part2) Lena
100% Petit(Part2) Lena Puzzle
Open Petit(Part2) Lena Gallery
Petit(Part2) Lena Puzzle Stage 1 Clear