Complete the indicated task to unlock the corresponding concept art at the "Extras" menu.

Art	How to unlock
Environment Concept Art for Arctic Sea and Amelia Concepts	Complete Arctic Sea.
Environment Concept Art for Coastal Thailand and Alister Concepts	Complete Coastal Thailand.
Environment Concept Art for Croft Manor and Doppelganger Concepts	Complete Croft Manor.
Environment Concept Art for Jan Mayen Island and Gear & Artifacts Concepts	Complete Jan Mayen Island.
Environment Concept Art for Med Sea and Amanda Concepts	Complete Mediterranean Sea.
Environment Concept Art for Mexico and All Men Concepts	Complete Southern Mexico.
Environment Concept Art for Ship and Natla Concepts	Complete Andaman Sea.
Zip and Winston Concepts	Complete the Prologue.