Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Buy Ammo	Armed Up!	25
Buy an Upgrade	Upgraded!	25
Cyber Core 1	Level 5 Complete!	100
Cyber Core 2	Level 6 Complete!	100
Defeat boss 1	Boss 1 Defeated!	100
Defeat boss 2	Boss 2 Defeated!	100
Defeat boss 3	Boss 3 Defeated!	100
Find a Bonus Box	Bonus Box Found!	25
Ice Cap City 1	Level 3 Complete!	100
Ice Cap City 2	Level 4 Complete!	100
Red Desert 1	Level 1 Complete!	100
Red Desert 2	Level 2 Complete!	100
Use a Checkpoint	Checkpoint Found!	25