| Achievement | How to unlock
|
|---|
| 4 8 15 16 23 42 ( 15 points ) | Photograph numbers on sealed hatch
|
| 815 ( 20 points ) | Discover all the memories in Flashback 1
|
| A Turn of the Screw ( 10 points ) | Photograph A Turn of the Screw
|
| Beam of light ( 20 points ) | Photograph beam of light coming from the hatch
|
| Behind the wall ( 100 points ) | Complete Episode 5
|
| Behind the glass ( 20 points ) | Discover all the memories in Flashback 3
|
| Blackmailer ( 15 points ) | Convince Locke to help
|
| Boom boom ( 10 points ) | Open the secret door
|
| Button pusher ( 15 points ) | Enter the numbers
|
| Castaways' Treasures ( 10 points ) | Photograph: 1- Kate's plane 2- Charlie's guitar 3- Locke's wheelchair
|
| Crash survivor ( 25 points ) | Complete Episode 1
|
| Desmond's Past ( 10 points ) | Photograph: Kelvin's jump suit Medical cabinet with vaccines Desmond's mural
|
| Dharma Ride ( 15 points ) | Photograph Dharma van
|
| Hero's hero ( 25 points ) | Save Jack
|
| Identity crisis ( 30 points ) | Discover all the memories in Flashback 4
|
| Into the hatch ( 75 points ) | Complete Episode 4
|
| Locate the cockpit ( 25 points ) | Complete Episode 2
|
| Mapping the Island ( 10 points ) | Photograph: 1- Blast door map 2- Blast door map for the hidden entrance 3- Sayid's cable map
|
| Pearl Station ( 20 points ) | Photograph Pearl Station emblem
|
| Persephone ( 30 points ) | Discover all the memories in Flashback 5
|
| Radzinsky ( 15 points ) | Photograph bloodstain on the Swan ceiling
|
| Save the castaways ( 15 points ) | Prevent the fuel leak from igniting
|
| Showdown ( 10 points ) | Successfully confront Beady Eyes
|
| Slave ( 15 points ) | Photograph skeleton in Black Rock
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| Staff Station ( 20 points ) | Photograph Staff Station emblem
|
| Sweet memory ( 20 points ) | Discover all the memories in Flashback 2
|
| The way home ( 200 points ) | Finish the game
|
| Through the Flame ( 125 points ) | Complete Episode 6
|
| Via Domus ( 50 points ) | Complete Episode 3
|
| Whatever it takes ( 30 points ) | Discover all the memories in Flashback 6
|