Space Invaders Extreme Cheats

Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Sure Shot (10 points): Defeated a wave of invaders without missing a shot.
Combo Meal (10 points): Destroyed at least 21 invaders in a row.
Goliath Killer (10 points): Defeated the first Boss Invader.
First Taste of Victory (10 points): Won an online match for the first time.
Lieutenant Rank A (10 points): Achieved Rank A at the end of a level.
Lone Wolf Victory (15 points): Completed the game in Arcade Mode.
Hot Streak (15 points): Triggered at least 4 rounds of Fever Time.
Space Invader Veteran (20 points): Won 25 online matches in VS Mode.
Team Victory (20 points): Completed the game in Co-op Arcade mode.
Hero of Nagoya (25 points): Achieved 1 ROW using the Nagoya Attack technique.
Space Commander Rank S (25 points): Achieved Rank S 3 times.
Take That! (30 points): Defeated a Boss Invader without missing a shot.