All Weapons: Successfully complete all four Greece Time Trials.

Golden Shotgun: Successfully complete all three Lost Island Time Trials.

Infinite 50 Caliber Pistol Ammo: Successfully complete all four Peru Time Trials.

Infinate Breath: Successfully complete the game on the Easy difficulty setting.

Infinite Health: Successfully complete all three Egyption Time Trials.

Infinite Mini SMG Ammo: Successfully complete all three Egyption Time Trials.

Infinite Shotgun Ammo: Successfully complete all four Greece Time Trials.

Show Enemy Health: Successfully complete all four Peru Time Trials.

Silver Mini SMGs: Successfully complete all three Lost Island Time Trials.

Sunglasses: Successfully complete the game on the Easy difficulty setting.

Textureless Mode: Successfully complete the game on the Easy difficulty setting.

Camouflage: Get the Relic from the Temple Of Khamoon.

Catsuit: Get the Relic from the Sanctuary Of The Scion.

Classic: Get the Relic from the Lost Valley.

Croft Manor Sport: Get the Athenian Owl Relic from Midas’s Palace.

Doppelganger: Get the Relic from Natla’s Mines.

Golden: Get the Griffin-Head Relic from Midas’s Palace.

Legend: Get the Relic from the Mountain Caves.

Scorched Natla: Get all Relics.

Swimsuit from Tomb Raider 2 (Maria Doria level): Get the Relic from the Great Pyramid.

Atlantean Creatures: Successfully complete the game.

Box Art: Collect 67% of the Artifacts in Peru.

Doppelganger: Collect 67% of the Artifacts in Lost City.

Egypt: Collect 100% of the Artifacts in Egypt.

Game Gallery: Collect 33% of the Artifacts in Greece.

Greece: Collect 100% of the Artifacts in Greece.

Items And Artifacts: Successfully complete the game with 25% of the Relics.

Kid: Collect 33% of the Artifacts in Egypt.

Kold: Collect 67% of the Artifacts in Egypt.

Lost City: Collect 33% of the Artifacts in Lost City.

Natla: Collect 100% of the Artifacts in Lost City.

Origins of Lara: Collect 33% of the Artifacts in Peru.

Other Characters: Successfully complete the game with 50% of the Artifacts.

Peru: Collect 100% of the Artifacts in Peru.

Pierre: Collect 67% of the Artifacts in Greece.

Promotional Images: Collect 50% of the Artifacts in Croft Manor.

TR:1 vs. TR:A Egypt: Collect 100% of the Relics in Egypt.

TR:1 vs. TR:A Greece: Collect 100% of the Relics in Greece.

TR:1 vs. TR:A Lost City: Collect 100% of the Relics in Lost City.

TR:1 vs. TR:A Peru: Collect 100% of the Relics in Peru.

Doppelganger: 36 Artifacts
Kid: 14 Artifacts
Kold: 18 Artifacts
Lara Croft: 5 Artifacts
Larson: 9 Artifacts
Natla: 41 Artifacts
Pierre: 23 Artifacts
Richard Croft: 32 Artifacts
Winston: 27 Artifacts

Peruvian Tomb Raider (40 points): Collect all the artifacts and relics in Peru.
Weapon Master I (10 points): Collect the Magnum weapon.
Egyptian Tomb Raider (40 points): Collect all the artifacts and relics in Egypt.
Weapon Master II (10 points): Collect the Uzi weapon.
Greek Tomb Raider (40 points): Collect all the artifacts and relics in Greece.
Weapon Master III (10 points): Collect the Shotgun weapon.
Lost Island Tomb Raider (40 points): Collect all the artifacts and relics in Lost Island.
Slayer I (30 points): Defeat the T-Rex without dying (Peru).
Slayer II (30 points): Defeat the Twin Centaur Bosses without dying (Greece).
Slayer III (30 points): Defeat the Torso Boss without dying (Lost Island).
Slayer IV (40 points): Defeat Natla without dying (Lost Island).
Easy Game (20 points): Complete the game on Easy difficulty.
Medium Game (25 points): Complete the game on Medium difficulty (includes Easy Game achievement).
Hard Game (45 points): Complete the game on Hard difficulty (includes Easy and Medium Game achievements).
Croft Manor Speed Run (30 points): Complete the Croft Manor Time Trial.
Peruvian Speed Run (30 points): Complete all the Peru Time Trials.
Greek Speed Run (30 points): Complete all the Greece Time Trials.
Egyptian Speed Run (30 points): Complete all the Egypt Time Trials.
Lost Island Speed Run (30 points): Complete all the Lost Island Time Trials.
IRON Raider in Peru (35 points): Complete Peru without dying.
IRON Raider in Greece (35 points): Complete Greece without dying.
IRON Raider in Egypt (40 points): Complete Egypt without dying.
IRON Raider on Lost Island (40 points): Complete Lost Island without dying.
Good Show in Peru! (35 points): Complete all the Peru Super Actions without fail (first try).
Good Show in Greece! (35 points): Complete all the Greece Super Actions without fail (first try).
Good Show in Egypt! (35 points): Complete all the Egypt Super Actions without fail (first try).
Good Show on Lost Island! (35 points): Complete all the Lost Island Super Actions without fail (first try).

Additionally, there are five secret achievements, all of which are currently unknown.