Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Electron	Gain an electron.	100
Enemy destroyer	Destroy 10 enemies.	100
First coin	Gain 1 coin.	100
First enemy	Destroy 1 enemy.	100
First key	Gain a key.	100
More coins	Gain 10 coins.	100
PC	Discover a PC.	100
Plenty of coins	Gain 50 coins.	100
The Button	Press the button on the floor.	100
The Library	Discover the library.	100