Unlock the following concept art at the "Extras" menu by performing the corresponding tasks:
CONCEPT ART - HOW TO UNLOCK Creature concepts - Collect all treasures. Environment Concept Art for Arctic Sea and Amelia concepts - Complete arctic sea expedition. Environment Concept Art for Coastal Thailand and Alister concepts - Complete coastal thailand expedition. Environment Concept Art for Croft Manor and Doppelganger concepts - Complete croft manor expedition. Environment Concept Art for Med Sea and Amanda concepts - Complete mediterranean sea expedition. Environment Concept Art for Mexico and All Men concepts - Complete southern mexico expedition. Environment Concept Art for Ship and Natla concepts - Complete andaman sea expedition. Environment Concept Art for Jan Mayen Island, Gear, and Artifacts concepts - Complete jan mayen island expedition. Game Flow Storyboards - Complete the game on master survivalist difficulty. Lara Concepts - Collect all six relics. Zip and Winston Concepts - Complete the Prologue.
Activate the following cheats by entering the corresponding sequences of buttons during game play:
CHEAT FUNCTION - CHEAT CODE Laura is Bulletproof - Hold LT and press A, RT, Y, RT, X, LB. One shot kills - Hold LT and press Y, A, Y, X, LB, B. Draw enemy health - Hold LT and press X, B, A, LB, RT, Y. Level Clear - Hold LT and press Y, click the Left Analog-stick, press B, RB, X. Nuclear Wave - Hold LT and press X, Y, RB, A, B, LB, X. Then, hold RT and press LB during game play to emit a nuclear wave. Stage Section Clear - Hold LT and press RB, Y, A(2), B, RB. Swim Dart - Hold LT and press A, RB, LB, RT, X, Y. (Execute the swim faster move while swimming to activate the code.)
Get the water wheel spinning and some areas will fill up with water. You will end up going back to the area with the dragon tile puzzle. Go to the opposite side of the room of the columns that spin with blades when the puzzle is completed. There is a pole sticking out of the water. Get on the ledge near it and wall jump to the pole sticking out of the wall above the ledge. Hold Y and climb the grapple wire then swing over to it. Enter the small room. Slide down the pole to the bottom and walk to the end to reach a tunnel. Crouch and walk through the tunnel to reach a water filled area. Get up on the right side the jump over to the left side to find the relic.
ACHIEVEMENT - HOW TO UNLOCK Prologue (25 points) - Beat the Prologue. Master Survivalist (100 points) - Beat the game on the hardest difficulty. Treasure Collector (30 points) - Find 10 Treasures. Skilled Treasure Collector (40 points) - Find 50 Treasures. Dedicated Treasure Collector (50 points) - Find 100 Treasures. Master Treasure Collector (60 points) - Find all 179 Treasures. Relic Collector (30 points) - Find a Relic. Dedicated Relic Collector (50 points) - Find 3 Relics. Master Relic Collector (70 points) - Find all 6 Relics. Swan Diver I (10 points) - In one adventure, swan dive off one of the three highest points over water in the game. Swan Diver II (10 points) - In one adventure, swan dive off two of the three highest points over water in the game. Master Swan Diver (10 points) - In one adventure, swan dive off the three highest points over water in the game. Climber (5 points) - Execute a chimney jump of at least 2 wall kicks. Master Climber (10 points) - Execute a chimney jump of at least 4 wall kicks. Speed Demon I (5 points) - Drive into Xibalba in under 45 seconds. Speed Demon II (5 points) - Drove from the top of Valgrind to the bottom in under 50 seconds. Speed Demon III (5 points) - Drive through the Valhalla Maze in under 40 seconds. Master Speed Demon (10 points) - Beat all three Speed Demon challenges. Roadkiller (5 points) - Kill an enemy by running over it with the motorcycle. Master Roadkiller (10 points) - Kill five enemies by running over them with the motorcycle. Grenadier (10 points) - Kill two enemies with one grenade. Master Grenadier (10 points) - Kill three enemies with one grenade. Weapons Expert (5 points) - Execute an Adrenaline Attack headshot on an enemy. Weapons Master (10 points) - Execute ten Adrenaline Attack headshots. Mediterranean Sea Expedition (50 points) - Beat Mediterranean Sea Expedition. Coastal Thailand Expedition (75 points) - Beat Coastal Thailand Expedition. Croft Manor Expedition (25 points) - Beat Croft Manor Expedition. Southern Mexico Expedition (100 points) - Beat Southern Mexico Expedition. Jan Mayen Island Expedition (50 points) - Beat Jan Mayen Island Expedition. Andaman Sea Expedition (25 points) - Beat Andaman Sea Expedition. Arctic Sea Expedition (100 points) - Beat Arctic Sea Expedition.
"Beneath The Ashes" achievements ACHIEVEMENT - HOW TO UNLOCK Beneath the Ashes (50 points) - Complete the Beneath the Ashes mission. Collector (25 points) - Find the Beneath The Ashes Relic. Master Collector (50 points) - Find the Beneath The Ashes Relic and all Treasures. "Lara's Shadow" achievements ACHIEVEMENT - HOW TO UNLOCK Lara's Shadow (50 points) - Complete Lara's Shadow. Master Reward Hunter (25 points) - Find all Treasures and the Relic in Lara's Shadow. Refinery Speed Run (10 points) - Complete a timed speed run from the first slope in the Refinery to the back platform without saving. Relic Hunter (10 points) - Find the Hidden Relic in Lara's Shadow. Right of Passage (10 points) - Destrot the Transformer, and complete a timed speed run through the unstable passage without saving. Shadow Combat Master (10 points) - Complete the Lara's Shadow Combat Tutorial. Treasure Hunter (10 points) - Find all Treasures in Lara's Shadow.
Reach the top and enter the area with pillars. Go to the pillar at the back on the left. When you enter the first tunnel before the path turns to the left, search the corner. Defeat the waves of enemies. Before you climb up the pillar, drop down and grip the ledge. Shimmy across to reach a platform at ground level. Slide down the slope then enter the chamber. Turn to the left to find the treasure on the ground. Face looking into Natla's throne room. Go to the far rear pillar on the right. As you climb upwards, jump to the left to land on the lower platform. Go across the ledges above the blue pit. After getting back on the ground, look to the left immediately before you enter the tunnel leading down. After finding the previous treasure, enter the downward tunnel. When you reach the bottom of the steps, turn to the left and grab the treasure at the end here. You'll be required to navigate a series of circular ledges. Once you reach the top and land on a platform, there is a treasure here. Cross several gaps until you find four serpent statues. Look to the left of the statues. Jump over the gap after the blue flame blocking the path has been extinguished. Then, look in the corner. Reach the raised circular platform. Look next to the square hole with blue water behind it. Activate the second pull switch. Climb up to the top of the raised circular platform. Shimmy to the left and reach the floor. Search the far left. Power up the transformer then enter the tunnel. Run to the end and search beneath a torch. Get past the traps and enter the tunnel with some enemies. Search the corner at the end under a torch. Reach the transformer room for the second time. Immediately after exiting the tunnel, turn to your right. Search near the entrance/exit of the tunnel. Kill all the required enemies and lower the water. Jump on the platform and search to the left. Search next to the panel that must be destroyed in the second core. Get through the room after the central platform collapses into the water. Reach the high area with two moving blocks on the right side. Walk under both blocks, then wall jump up on the motionless third block. Reach Natla's chamber. Jump across to the right before going down. Search the alcove.