A Day as a Bookworm
Complete the Chapter: "The Chronicles of the Guardian"
A Friend of "Poetry"
Complete the Chapter: "A Forgotten Parchment"
Academy Outskirts, Perfected
Collect each Trineangle from the Chapter: "Academy Outskirts"
All Your Collectible Are Belong to Me
Collect each Trineangle from every Chapter
An Exit Strategy
Complete the Chapter: "A Lonely Knight"
An Itch for the Shiny
Complete the Chapter: "A Brush with Death"
But It Belongs in a Museum!
Complete the Chapter: "The Three Heroes - Zoya"
Graduated With Honors
Complete the Chapter: "The Astral Academy"
Holey Moley!
Complete the Chapter: "A Tumble Down"
I Dreamed a Fireball (almost)
Complete the Chapter: "A Wizard's Epiphany"
I Like Turtles
Complete the Chapter: "The Three Heroes - Amadeus"
Icing the Cake
Earn every Achievement in Trine 3: The Artifacts of Power
K.O.
Beat the final boss
No School Today
Complete the Chapter: "A Wizard's Nightmare"
Sheep Happens
Complete the Chapter: "The Three Heroes - Pontius"
Stop Busting My Walls
Complete the Chapter "Academy Outskirts"
The Academy Champion
Survive through the Chapter: "An Academic Invasion"
The Astral Academy, Perfected
Collect each Trineangle from the Chapter: "The Astral Academy"
The Chronicles, Perfected
Collect each Trineangle from the Chapter: "The Chronicles of the Guardian"
The Conqueror of Dangers
Survive through the Chapter: "A Dangerous Outing"
The King of the Jungle
Survive through the Chapter: "A Squabble in the Jungle"
The Redwood Forest, Perfected
Collect each Trineangle from the Chapter: "The Redwood Forest"
The Silencer of Whispers
Survive through the Chapter: "A Whisper of Evil"
The Story Has Been Told
Complete all of the main story Chapters
The Three Heroes - Amadeus, Perfected
Collect each Trineangle from the Chapter: "The Three Heroes - Amadeus"
The Three Heroes - Pontius, Perfected
Collect each Trineangle from the Chapter: "The Three Heroes - Pontius"
The Three Heroes - Zoya, Perfected
Collect each Trineangle from the Chapter: "The Three Heroes - Zoya"
Timber!
Complete the Chapter: "The Redwood Forest"