- White swimsuit
Successfully complete the game on any difficulty to unlock the white swimsuit for use in the Mediterranean Sea Expedition.

- Bonus concept art
Successfully complete the indicated task to unlock the corresponding concept art at the 'Extras' menu:

Environment Concept Art for Arctic Sea and Amelia Concepts	Successfully complete Arctic Sea Expedition.
Lara Concepts	Acquire all six Relics.
Environment Concept Art for Ship and Natla Concepts	Successfully complete Andaman Sea Expedition.
Environment Concept Art for Med Sea and Amanda Concepts	Successfully complete Mediterranean Sea Expedition.
Environment Concept Art for Croft Manor and Doppelganger Concepts	Successfully complete Croft Manor Expedition.
Environment Concept Art for Jan Mayen Island, Gear, and Artifacts Concepts	Successfully complete Jan Mayen Island Expedition.
Creature Concepts	Acquire all treasures.
Game Flow Storyboards	Successfully complete the game on the Master Survivalist difficulty.
Environment Concept Art for Coastal Thailand and Alister Concepts	Successfully complete Coastal Thailand Expedition.
Environment Concept Art for Mexico and All Men Concepts	Successfully complete Southern Mexico Expedition.
Zip and Be victorious inston Concepts	Successfully complete the Prologue.

- Hidden Relic locations
The hidden Relics can be found at the following locations:


Mediterranean Sea Expedition





Coastal Thailand Expedition





Croft Manor Expedition





Southern Mexico Expedition





Jan Mayan Island Expedition





Arctic Sea Expedition




- Treasure Hunt mode
Successfully complete the game on any difficulty to unlock Treasure Hunt mode, which allows the game to be replayed without the puzzle completion requirements in order to collect any treasure missed in your previous playthrough.