Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Break free! (15 points )	Perform at least 30 successful counter-attacks in one round [Story, Arcade, and Online matches only]
Don't stop me now! (25 points )	Unlocked after fighting 50 ranked matches.
Flash! (5 points )	Use Overdrive mode while the fight style is set to Quick [Story, Arcade, and Online matches only]
Going slightly mad! (10 points )	Use a Counter-Burst. [Story, Arcade, and Online matches only]
Keep yourself alive! (15 points )	Unlocked after winning ranked matches twice in a row.
Now I'm here! (5 points )	Unlocked after winning a ranked match for the first time.
Rock you! (5 points )	Use Overdrive mode while the fight style is set to Hard. [Story, Arcade, and Online matches only]
Rushing headlong! (15 points )	Unlocked after fighting 25 ranked matches.
Save me! (10 points )	Unlocked when emergency is used.[Story, Arcade, and Online matches only]
Under pressure? (10 points )	Unlocked when guard break is applied [Story, Arcade, and Online matches only]
You are the champion! (30 points )	Unlocked when arcade mode is completed on any difficulty.