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