There are 30 achievements worth a total of 1000 points
Complete Episode 1
Complete Episode 2
Complete Episode 3
Complete Episode 4
Complete Episode 5
Complete Episode 6
Finish the game
Discover all the memories in Flashback 1
Discover all the memories in Flashback 2
Discover all the memories in Flashback 3
Discover all the memories in Flashback 4
Discover all the memories in Flashback 5
Discover all the memories in Flashback 6
Photograph skeleton in Black Rock
Photograph A Turn of the Screw
Photograph numbers on sealed hatch
Photograph Dharma van
Photograph: 1- Blast door map 2- Blast door map for the hidden entrance 3- Sayid's cable map
Photograph: 1- Kate's plane 2- Charlie's guitar 3- Locke's wheelchair
Save Jack
Photograph bloodstain on the Swan ceiling
Photograph Pearl Station emblem
Photograph Staff Station emblem
Photograph beam of light coming from the hatch
Enter the numbers
Convince Locke to help
Prevent the fuel leak from igniting
Open the secret door
Successfully confront Beady Eyes
Photograph: Kelvin's jump suit Medical cabinet with vaccines Desmond's mural