Here is the full list of all 19 COLINA: Legacy achievements.
Complete the game
Free the Son of the Moon
Collect all of the Glyphs
Collect all text items in game, notes + stone tablets
Attain the Light Sword
Kill the Moonchild
Enter the Temple
Collect all of the Orb shards
Find Valentina
Defeat the King of Thebes
The first death
Get out of the house
Defeat the Blue Fairy
Collect your first Puppet String
Start a new game
Complete the game without dying
Collect all of the notes in game
Solve all of the Sphinx's stashes
Watch all cutscenes