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