Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Clear Round 4 ( 10 points )	Clear Round 4.
Clear Round 8 ( 20 points )	Clear Round 8.
Clear Round 12 ( 25 points )	Clear Round 12.
Clear Round 16 ( 30 points )	Clear Round 16.
Double Extend ( 20 points )	Score 100000 points and gain a second extra life.
Extend ( 10 points )	Score 20000 points and gain an extra life.
No-Miss ( Round 7) ( 40 points )	Clear the first 7 rounds without losing a life.
Fuel Bonus ( 10 points )	Collect a Lucky Flag with more than half fuel remaining.
Lucky Flag ( 5 points )	Collect the Lucky Flag.
No-Miss Special Flag ( 15 points )	Collect the Special Flag before collecting another flag and finish the stage without losing a life.
Special Flag ( 5 points )	Collect the Special Flag.
Special Flag First ( 10 points )	Collect the Special Flag before collecting any other flag.