Blackbird Suit:-  Successfully complete the game under the easy or normal difficulty setting to unlock the Blackbird suit. It is maxed out on every level and has three super moves from the start. You cannot change those moves or upgrade the suit. You also get a new title menu when you unlock this suit.

Papillon Suit:-  Successfully complete the game a second time on the same saved game file. This suit is also maxed out but has no barrier; one hit and you are dead. However, you will get to see a lot more of Vanessa. You can also now assign what super moves you want your character to have at each portal and in the inter-mission menus. When you unlock this suit you also unlock a new title menu.

Better ending:-  Successfully complete the game under the normal difficulty setting to get an extra conversation between Vanessa and "The Client"; a new end screen saying "Game over...", and a new title menu.

Hard mode:-  Successfully complete the game under the easy or normal difficulty setting to unlock hard mode.

Easy money:-  Play the trial missions as many times as desired to get extra money to upgrade your suits.

Thunderbird Suit - Successfully complete the game with all suits in your inventory under any difficulty setting. Your will get your P.N.02 suit called the Thunderbird. It is all black. Get it maxed out in upgrades to get a new title screen.

Viewtiful Joe trailer - Go to the options screen then to the gallery to see a Viewtiful Joe trailer.

Action Replay Codes

(m)
ZH5H-2KPR-1CZ8D
FRTC-JF7X-WBY21

Infinite Health
TY49-9Y3J-PNEMZ
8FNR-9TAE-A9134

Infinite Energy
5JX1-KC0R-URDVJ
4J7G-FC0U-7CBUG

Infinite Continues
JU0V-FJCU-0KRY4
RKPD-Q6GB-EZWA3

Infinite Points
QE2M-VBWP-YJC29
A9BT-5KDD-W97WC

Have All The Aegis Suits
U2YD-PY1B-RBUUB
JZBX-47XX-Q89NV
QH25-R584-26FY3

Have All Aegis Suit Stats Maxed
6FPM-0A7G-J76VJ
CCMK-U09J-ET2RK
6JDK-GNR3-A3CRM
65RN-NQXH-TNXB8
4NF1-HJCJ-M21UV

Infinite Combo Time
PQAP-HZF9-N5MQC
ZFMA-TCH3-KEDNF