Meet with annihilation

 

Kill all foot soldiers and enemy trucks on a Meet With Enemy sequence.

The Emperor's New Clothes

 

Obtain the Shin Guards, the Bulletproof Vest and the Helmet.

Private Arsenal

 

Obtain every weapon and weapon upgrade.

Faster Than a Speeding Bullet

 

Block 100 projectiles using the claw.

One Dozen Yashichis

 

Collect all twelve hidden Yashichis - one from each of Area 01 - 12.

Clean as a whistle

 

Clear Area 02 without touching a slime blob.

Pacifist Pride

 

Clear any of Area 1 - 12 without firing your gun.

Cat burglar

 

Get to the boss of Area 05 within one minute and thirty seconds.

A Real Challenge

 

Acquire at least one star in each of the Challenge Rooms 1 - 56.

H4><0rz

 

Hack through all the hacking games on Hard.

Intel Collector

 

Acquire all database logs.

Elite Commando

 

Clear the game on Super Hard.