Beat the game on SUPER HARD difficulty. [See comments!]

Beat the game on HARD difficulty or above without using a credit.

Destroy 50 regular enemies in a row using the Omni-shield without firing your guns or losing a life.

Clear any 3 stages in a row without using an upgrade or losing a life.

End a boss encounter in 5 seconds or less while equipped with the S-Bomb.

Equipped with nothing but the Lazer, blow up 4 enemies in a single attack.

On SUPER HARD difficulty, cycle through every weapon at least once without losing a life.

Achieve a score of 125,000 points!

Achieve a score of 300,000 points!!

Eliminate the enemy commander in Stage 7 on EASY difficulty or above.

Strike back against the mutant scurge by eliminating Visor in Stage 1.

Take out the keeper of the enemy's munitions stockpile in Stage 2.

Destroy the head of the mutants' weapons development division in Stage 3.

Clear out the enemy space station in Stage 4.

Destroy Diamonte in the depths of the biochemical plant in Stage 5.

Turn the hostile satellite into space debris in Stage 6.

Eliminate the enemy commander in Stage 7 on NORMAL difficulty or above.

Eliminate the enemy commander in Stage 7 on HARD difficulty or above.