Press Right, Down, Left, Up, L1, R1, Triangle(2), X(2), Start at the "Press Start" screen to unlock the fan made challenge room at the "Challenge Room" menu.
EuroGamer challenge room
Press Down, Up, Down, Up, Left, L1, Square, L1, Square, Triangle, Start at the "Press Start" screen to unlock the EuroGamer challenge room at the "Challenge Room" menu.
GamesRadar challenge room
Press R1, Triangle, Square(2), Up, Down, L1(2), Up, Down, Start at the "Press Start" screen to unlock the GamesRadar challenge room at the "Challenge Room" menu.
IGN challenge room
Press Up, Down, Triangle, Square(2), Triangle, Down, Up, L1(2), Start at the "Press Start" screen to unlock the IGN challenge room at the "Challenge Room" menu.
Major Nelson challenge room
At the "Press Start" screen, press L1, Square(3), Right, Down, L1, Left, Triangle, Down, Start to unlock the Major Nelson challenge room at the "Challenge Room" menu.
Super Hard difficulty
Successfully complete the game.
Trophies
Complete the following tasks to unlock PlayStation 3 trophy rewards.
Trophy
How to unlock
A Real Challenge (Gold)
Acquire at least one star in each of the Challenge Rooms 1 - 56.
Cat burglar (Bronze)
Get to the boss of Area 05 within one minute and thirty seconds.
Clean as a whistle (Bronze)
Clear Area 02 without touching a slime blob.
Elite Commando (Silver)
Clear the game on Super Hard.
Faster Than a Speeding Bullet (Bronze)
Block 100 projectiles using the claw.
H4><0rz (Bronze)
Hack through all the hacking games on Hard.
Intel Collector (Silver)
Acquire all database logs.
Meet with annihilation (Bronze)
Kill all foot soldiers and enemy trucks on a Meet With Enemy sequence.
One Dozen Yashichis (Silver)
Collect all 12 hidden Yashichis - one from each of Area 01 - 12.
Pacifist Pride (Bronze)
Clear any of Area 01 - 12 without firing your gun.
Private Arsenal (Silver)
Obtain every weapon and weapon upgrade.
The Emperor's New Clothes (Bronze)
Obtain the Shin Guards, the Bulletproof Vest and the Helmet.
Arron Sedillo challenge room...