Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Admiral (50 points)	Reach round 30 in Carrier.
Ensign (10 points)	Reach round 10 in Carrier.
Flotsam & Jetsam (50 points)	Sink the boat in Carrier.
How low can you go? (20 points)	Hit 18 enemies with a single shot of the LZ-52 Limbo in Carrier.
Hugs! (20 points)	Kill 20 enemies in a single burst of Explosive Touch in Carrier.
Mad Hops (20 points)	Jump over 4 live sharks in 10 seconds in Carrier.
Right of First Defusal (20 points)	Defuse 5 gas bombs in a single match in Carrier.
Slot Jockey (20 points)	Use the Grenade Disposal Machine 30 times in a single match in Carrier.
Take Off, Hoser! (20 points)	Ride Chompy for 5 minutes in a single match in Carrier.
Telefragathon (20 points)	Telefrag 50 enemies in a single match in Carrier.