Achievements...
	Fuses...

Complete the following achievements to unlock Xbox Live Gamerscore points.

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
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

Instead of bartering for fuses to complete puzzles, use the following trick. After completing the first fuse puzzle, return to the puzzle and collect all of the fuses. These will remain in your inventory, ready for use for other puzzles.