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