Scott Pilgrim vs. The World

					
Cheats:
Allow two players to select the same character:

At the title screen, press Down, R1, Up, L1, Triangle, Circle.
Begin the level with the Power of Love Sword:

At the title screen, press Square, Square, Square, X, Circle, X, Triangle.
Changes coin sprites into animal sprites:

At the title screen, press Up, Up, Down, Down, Up, Up, Up, Up.
Enables Blood Mode:

At the title screen, press X, Circle, X, Square, X, Circle Circle.
Unlock Zombie Mode:

At the title screen, press Down, Up, Right, Down, Up, Right, Down, Up, Right, Right, Right.
Unlock Sound Check Bonus Level:

At the pause screen in Score Ranking Overworld, press L1, L1, L1, R1, R1, R1, L1, R1.
Unlock Nega-Scott:

Beat the game with all four characters.
Unlock Mr. Chou:

Sometimes after a stage, you'll see Mr Chou on a random level, go to that stage and you'll fight him. Beat him to unlock him.
Secret Shop:

In the first level after the shopping district near the underground car tunnel, there will be a star on the wall. When you approach, a hidden doorway will open, this shop has some of the best items in the game.
Unlockable Video Rewards:

If you pay off your $500 fine at the video store, you can purchase the following items for $4.95:

The Mystical Head: Extra life, maximum of nine.

Seven Shaolin Masters: Gives +100 XP, +10 DEF, +10 SPD, +10 WP, +10 STR.

Alien VS T-Rex: Gives +20 STR.

Alone and Disturbed: Gives +1,500 experience points.

I Love Your Boyfriend: Gives +320 XP, +15 DEF, +15 WP.
Achievements:
New Challenger (Bronze)

Objective: Defeat Matthew Patel without losing a life.
Dirty Trick (Bronze)

Objective: Defeat an enemy by throwing an object at him while he's already down.
The Power of Friendship (Bronze)

Objective: In a multiplayer game, reanimate another player at least 25 times.
Gourmet (Bronze)

Objective: Eat every food items.
Shopaholic (Bronze)

Objective: Buy all the items of a shop during the same visit.
Armed And Dangerous (Bronze)

Objective: Defeat at least 200 enemies using interactive objects.
"Chaudown" (Bronze)

Objective: Unlock and call all strikers.
Twin Dragons (Silver)

Objective: Defeat the Twins simultaneously.
Invulnerable (Silver)

Objective: Play through a World and reach the boss without getting hit.
Vigilante (Silver)

Objective: Defeat 1000 enemies.
One Man Army (Silver)

Objective: Clear the game in single player on the "Supreme Master" difficulty setting.
Get the Girl (Gold)

Objective: Clear the game once with Scott.