| Achievement | How to unlock
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| - Complete the Chapter: "The Chronicles of the Guardian"
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| - Complete the Chapter: "A Forgotten Parchment"
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- Academy Outskirts, Perfected
| - Collect each Trineangle from the Chapter: "Academy Outskirts"
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- All Your Collectible Are Belong to Me
| - Collect each Trineangle from every Chapter
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| - Complete the Chapter: "A Lonely Knight"
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| - Complete the Chapter: "A Brush with Death"
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- But It Belongs in a Museum!
| - Complete the Chapter: "The Three Heroes - Zoya"
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| - Complete the Chapter: "The Astral Academy"
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| - Complete the Chapter: "A Tumble Down"
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- I Dreamed a Fireball (almost)
| - Complete the Chapter: "A Wizard's Epiphany"
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| - Complete the Chapter: "The Three Heroes - Amadeus"
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| - Earn every Achievement in Trine 3: The Artifacts of Power
|
| |
| - Complete the Chapter: "A Wizard's Nightmare"
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| - Complete the Chapter: "The Three Heroes - Pontius"
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| - Complete Academy Outskirts
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| - Survive through the Chapter: "An Academic Invasion"
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- The Astral Academy, Perfected
| - Collect each Trineangle from the Chapter: "The Astral Academy"
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- The Chronicles, Perfected
| - Collect each Trineangle from the Chapter: "The Chronicles of the Guardian"
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| - Survive through the Chapter: "A Dangerous Outing"
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| - Survive through the Chapter: "A Squabble in the Jungle"
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- The Redwood Forest, Perfected
| - Collect each Trineangle from the Chapter: "The Redwood Forest"
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| - Survive through the Chapter: "A Whisper of Evil"
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| - Complete all of the main story Chapters
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- The Three Heroes - Amadeus, Perfected
| - Collect each Trineangle from the Chapter: "The Three Heroes - Amadeus"
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- The Three Heroes - Pontius, Perfected
| - Collect each Trineangle from the Chapter: "The Three Heroes - Pontius"
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- The Three Heroes - Zoya, Perfected
| - Collect each Trineangle from the Chapter: "The Three Heroes - Zoya"
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| - Complete the Chapter: "The Redwood Forest"
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