Full list of all 30 Lost: Via Domus achievements worth 1,000 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox 360.
Complete Episode 4
Photograph Dharma van
Photograph: 1- Blast door map 2- Blast door map for the hidden entrance 3- Sayid's cable map
Photograph Pearl Station emblem
Photograph beam of light coming from the hatch
Photograph Medical Station emblem
Photograph: 1- Kate's plane 2- Charlie's guitar 3- Locke's wheelchair
Photograph: Kelvin's jump suit Medical cabinet with vaccines Desmond's mural
Photograph skeleton in Black Rock
Finish the game
Save Jack
Complete Episode 6
Successfully confront Beady Eyes
Discover all the memories in Flashback 6
Complete Episode 5
Open the secret door
Photograph A Turn of the Screw
Photograph bloodstain on the Swan ceiling
Discover all the memories in Flashback 5
Discover all the memories in Flashback 1
Enter the numbers
Discover all the memories in Flashback 4
Complete Episode 3
Photograph numbers on sealed hatch
Convince Locke to help
Discover all the memories in Flashback 3
Complete Episode 2
Discover all the memories in Flashback 2
Complete Episode 1
Prevent the fuel leak from igniting