Space Invaders Extreme XBox 360 Game cheats,secrets,codes and keys

Space Invaders Extreme

Achievements:
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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.