Complete the following achievements to collect their Xbox Live Gamerscore points.

Achievement	How to unlock	Points
Donnelley	Finish Chapter 'The Lighthouse'	50
Esther	Finish Chapter 'The Caves'	150
Jakobson	Finish Chapter 'The Buoy'	100
Man of the Rocks	Walk 5000 steps	50
Mullach an Eilein	Trigger all directors' commentary	150
Paul	Finish Chapter 'The Beacon'	200
Seanchaidh	Trigger all voice over points	150
Seonaidh (secret)	Drown Once	50
Stac an Armin (secret)	Die from falling off a cliff once	50
Tuir	Uncover 4 urns	50