To unlock Xbox Live Gamerscore points, complete one of the following tasks!

Achievement	How to unlock
AGENT - FIRST CLASS ( 30 points )	Unlock any 40 badges or crests.
AGENT - FOURTH CLASS ( 10 points )	Unlock any 10 badges or crests.
AGENT - SECOND CLASS ( 25 points )	Unlock any 30 badges or crests.
AGENT - THIRD CLASS ( 20 points )	Unlock any 20 badges or crests.
ALL MINE! ( 20 points )	Earn 30 seconds of bonus time by destroying Lemons in a single Attack mode event.
BASH 'N' CRASH ( 10 points )	Side bash 100 cars.
BULLDOZER IN A CHINA SHOP ( 25 points )	Drive through 500 breakables.
BUMPER CAR ( 20 points )	Take out 50 opponents in Arena Mode.
BUSHWHACKED! ( 20 points )	Drive through 6 hedge sculptures in the Castle Courtyard in Hyde Tour.
CAPITOL VIEW ( 25 points )	Gain access to the upper level of a skyscraper in Tokyo Arena.
DANGEROUS CARGO ( 20 points )	Destroy 5 explosive trucks in a single Attack Mission.
DEAD EYE ( 20 points )	Hit the chase car 25 times with any weapon in Survival Mode.
DISRUPTOR DISRUPTOR ( 25 points )	In Disruptor Mode, destroy the opponent's base.
DISRUPTOR INTERRUPTER ( 20 points )	Knock the disruptor out of 30 opponents' grasps in Disruptor Mode.
DROP THE BOMB ( 10 points )	Knock the Disruptor out of any opponent's grasp 5 times in a single Disruptor Challenge.
EAT MY DUST ( 20 points )	Get 40 perfect Quick Starts.
EYE IN THE SKY ( 20 points )	Destroy 3 Lemons with the Satellite Quake weapon in a single Hunter Mission.
FREQUENT FLYER ( 20 points )	Spend 20 minutes in the air.
HOP-A-LONG ( 10 points )	Hop 20 times in a single event.
HUDSON HORNET ( 25 points )	Drift on a drift strip for a continuous 6 seconds in a single event.
IN YOUR FACE ( 30 points )	Drive backwards for 15 minutes.
INTERNATIONAL CAR OF MYSTERY ( 10 points )	Get a bronze trophy or better in every C.H.R.O.M.E. mission.
ISLAND HOPPER ( 25 points )	Use the island as a shortcut in Casino Tour.
JAM YOUR GEARS ( 10 points )	Drive through 10 fruit stands in Italy Arena.
JET SETTER ( 10 points )	Jump over an airplane's wings 3 times in Airport Arena.
LEADER OF THE TRACK ( 30 points )	Get a gold trophy in all of the C.H.R.O.M.E. Hunter Missions.
LICENSE EXPIRED! ( 20 points )	Destroy 250 Lemons in Attack Mode.
LIGHTS OUT ( 20 points )	Drive through 15 lamp posts in London Arena.
LOCK 'N' LOAD ( 10 points )	Collect and use each type of weapon.
MAKE THEM QUAKE ( 25 points )	Hit any opponent 2 times with the Satellite Quake weapon.
MASTER AGENT ( 50 points )	Unlock 49 badges and crests.
MASTER TRACKER ( 50 points )	Collect 20 Spy Point Pick-ups.
NOTHING BUT AIR TRICKS ( 25 points )	Complete 10 air tricks in a single event.
POWER SURGE ( 20 points )	Collect 3 bonus batteries in a single Survival Mission.
READY, SET, GO! ( 10 points )	Get a perfect Quick Start.
ROAD RAGE ( 20 points )	Bash 15 Lemons in Hunter Mode.
ROAD TRIP ( 20 points )	Drive 250 kilometers.
RUNWAY PANCAKE ( 20 points )	Collide 3 times with a landing aircraft in Runway Tour.
SHARE THE SPOTLIGHT ( 20 points )	Grab the attention of the Trimaran spotlight 3 times in a single event.
SHOCK VALUE ( 20 points )	Use 15 turbos in a single event.
SMASHING ( 20 points )	Drive through 100 breakable objects in a single event.
SPECIAL DELIVERY ( 20 points )	Deliver the Disruptor 35 times in Disruptor Mode.
STUNT DRIVER ( 10 points )	Perform 150 air tricks.
SURVIVOR ( 10 points )	Get a gold trophy in a single Survivor Mission.
TAILGATER ( 20 points )	Spend 5 minutes drafting cars.
TOKYO VANDAL ( 10 points )	Drive through 17 street signs in a single Tokyo race.
TRACTOR TIPPER ( 10 points )	Tip 3 tractors in a single Canyon Run, Timberline Sprint event or Radiator Springs Arena.
TRICK MASTER ( 20 points )	String together 5 tricks in a single jump.
TURBO CHARGED ( 20 points )	Use turbo 250 times.
WORLD'S BEST BACKWARDS DRIVER ( 20 points )	Drive backwards for a total of 60 seconds in a single event.