Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Better than two	Unlock a third character.	100
Godlike	Kill 3000 enemies.	200
Journey together	Unlock the new character.	100
Monster Killer	Kill 750 enemies.	100
Monster Slayer	Kill 1500 enemies.	100
Monster annihilator	Kill 2500 enemies.	200
More possibilities	Unlock a new item.	100
Overpowered	Fully upgrade two of the characters.	200
Shopping time	Unlock all items.	200
Small army	Unlock the third character.	200
Stronger than ever	Fully upgrade one of the characters.	100
The Devourer	Beat the 4th level.	100
The Golem	Beat the 2nd level.	100
The Spirit of the Dead	Beat the 3rd level.	100
The Tree of Hate	Beat the 1st level.	100