Easy "Zapper" Achievement...
	Secret Achievements...

At the end of chapter one, you'll "wake up" in a house basement. There is a room with a flooded floor and a live electric cable hangs into it. Walk into the water and die.

Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Adrift (90 points)	Follow your destiny.
Back Online (30 points)	Fix the satellite.
Blast Off (30 points)	Launch the ship.
Corruption (30 points)	Corrupt an orb.
Escape (30 points)	Escape the sand storm.
Fire Water (30 points)	Create a strong poison.
Going Green (30 points)	Bring solar array back online.
Klaatuu, Barada, Orochi (30 points)	Speak the three words.
Lung Capacity (30 points)	Reach the greenhouse without running out of air.
Momma's Boy (90 points)	Help your mother.
One Third (90 points)	Finish chapter one.
Open Sesame (30 points)	Open the gate.
Problem Child (90 points)	Refuse your mother.
Red, Yellow, Blue (30 points)	Fix the reclaimer.
Rude Awakening (30 points)	Wake up from the nightmare.
Secret Revealed (30 points)	Finish secret keepers.
The Dreamer (30 points)	Reveal the Dreamer.
Tree Hugger (40 points)	Farewell, Inna.
Tunnel Rat (30 points)	Escape the thing in the mist.
Twin Moons (30 points)	Start the machine.
Two Thirds (90 points)	Finish chapter two.
Watered Down (30 points)	Create a weak poison.
Zapper (30 points)	Maybe try going around the water