Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Alphabet	To invent the principle of the alphabet.	70
Compass	To invent the Compass.	80
Electric Light	To invent an Electric Light.	90
Gunpowder	To invent the Gunpowder.	80
Internet	To invent the Global Internet.	100
Penicillin	To invent a Penicillin.	90
Printed Books	To invent a Printed Books.	80
Steam Engine	To invent the Steam Engine.	80
Transistor	To invent the First Transistor.	100
Wheel	To invent a wheel.	70
Windmill	To invent the Windmill.	70
Wireless Communication	To invent a Wireless Communication.	90