Here is the full list of all 19 Glyph☀️ achievements.
Defeat The Guardian.
Complete the introduction.
Complete all levels.
Collect all items in an exploration level.
Get gold in a time trial level.
Unlock all avatars.
Unlock all trails.
Unlock all levels.
Unlock all areas of the temple.
Die 3 times.
Die to a spear.
Die to lava.
Collect all items.
Die and lose 3 keys.
Get at least bronze in all time trials.
Get at least silver in all time trials.
Get gold in all time trials.
Complete an exploration level in less than 15 seconds.
Collect the avatar in Mad Hermit.