Invincibility
Simply press A + Y while playing to become invincible while you move and change the angle of your shots. You will become vulnerable again when you stop shooting or go into another room.

Achievements
Finish the achievements below to access Xbox Live Gamerscore points.

First Boss (5 points): Defeat the final Boss in level 1 under the default settings.

Second Boss (5 points): Defeat the final Boss in level 2 under the default settings.

Third Mini Boss (5 points): Defeat the mini Boss in level 3 under the default settings.

Final Boss (5 points): Defeat the final boss in level 3 under the default settings.

High Score (5 points): Get first place on the game score board under the default settings,

Level 1 Master (15 points): Complete level 1 without continuing under the default settings.

Level 2 Master (20 points): Complete level 2 without continuing under the default settings.

Level 3 Master (25 points): Complete level 3 without continuing under the default settings.

Cash Pile (5 points): Get 2,000,000 points at the end of level 1.

Co-Op (20 points): Complete level 1 with another player under the default settings.

Co-Op Master (40 points): Complete the game with another player under the default settings.

Game Master (50 points): Complete the game without continuing under the default settings.