Demo Walkthrough...

Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Break the Darkness	Topple the tower boss and break the darkness.	100
Faithful Companion	Command Max to bring down ten enemies.	100
Mask Breaker	Break the masks of all five soldiers.	100
No Soul Left Behind	Collect every soul - leave none behind.	100
Relics of War	Recover every relic the war left behind.	100
Riddle of the Head	Solve the head puzzle.	100
Safe Pilot	Complete a flight level without being shot down.	100
Salvage Master	Salvage the souls of five fallen soldiers.	100
Salvation	See the story through to its end - and find salvation.	100
Silent Judgment	Survive the entire campaign without falling to an enemy.	100