Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Beginning and End ( 5 points )	Clear the prologue.
Boundary Spacetime Dogma ( 10 points )	Clear chapter 5.
Butterlfy Wing's Divergence ( 10 points )	Clear chapter 3.
Distortion Illusion Complex ( 10 points )	Clear chapter 7.
Endless Chain Apoptosis ( 10 points )	Clear chapter 9.
Fantasy Homeostasis ( 10 points )	Clear chapter 4.
Metaphysical Necrosis ( 10 points )	Clear chapter 6.
Self-similarity Androgynous ( 10 points )	Clear chapter 8.
Steins;Gate Selected ( 5 points )	Start a new game.
The Boundary of Steins;Gate ( 100 points )	Reach Steins;Gate.
Time Leap Paranoia ( 10 points )	Clear chapter 1.
Unlock 100% CG ( 25 points )	Unlock 100% CG.
Unlock 25% CG ( 25 points )	Unlock 25% CG.
Unlock 50% CG ( 25 points )	Unlock 50% CG.
Unlock 75% CG ( 25 points )	Unlock 75% CG.
Wandering Rendezvous ( 10 points )	Clear chapter 2.