| Unlockable: | How to Unlock: |
| Black Ninja Outfit | Fill up your yearbook completely. |
| Black Skate Shoes | Travel at least 50.00km on foot |
| BMX Champion | Complete one of the bike races. |
| Boxing Outfit | Beat either 'Boxing Challenge' or 'Prep Challenge' in Chapter 2. |
| Crash Helmet | Place 1st in the Kart Race at the Carnival |
| Dunce Hat | Go to the boys locker room in the gym and turn on all the showers. |
| Edna Mask | Destroy 19/19 Tombstones during Halloween |
| Fast Food | Complete the Burger Joint errand found in Bullworth Vale. |
| Firefighter's Helmet | Pull the Fire Alarm 20 times |
| Gnome Costume | Smash all garden gnomes. |
| Gold Suit | Buy all clothing in the game. |
| Green Ninja Outfit | Hit stuff with projectiles (eggs, etc.) 1000 times. |
| Grotto Master | Collect all G&G cards. |
| Jimmy's Skeleton Halloween costume | Beating the mission 'The Candidate' will open up the mission 'Halloween' which unlocks the costume. |
| Orderly Uniform | Complete 'Finding Johnny Vincent' in Chapter 5. |
| Pirate Hat | Beat up pirate on island near Beach House. |
| Prison Uniform | Beat all the detention mini games at least once. |
| Red Ninja Outfit | During Halloween (must be done during Halloween) at Bullworth Academy, complete the Big Prank task |
| School Mascot | Beat 'Nice Outfit' in Chapter 4. |
| Tiny Swimsuit | At the Beach House location, find the Preppie with a blue mission on the beach and beat his swimming time |
| Wrestling Uniform | Beat Gym 1. |
| Unlockable: | How to Unlock: |
| Burned school banner | Complete the mission 'The Gym Is Burning' in Chapter V |
| Football Jersey | Complete Chapter IV |
| Greaser Jacket | Complete Chapter III |
| Grim Reaper | Complete the mission 'Funhouse Fun' in Chapter IV |
| Picture of Beatrice | Complete the mission 'That Bitch' in Chapter I |
| Picture of Lola | Complete the mission 'The Tenements' in Chapter III |
| Picture of Lola kissing Gordo | Complete the mission 'Jealous Johnny' in Chapter III |
| Picture of Mandy | Complete the mission 'Discretion Assured' in Chapter IV |
| Picture of Pinky | Complete the mission 'Carnival Date' in Chapter II |
| Picture of Zoe | Complete the mission 'Smash It Up' in Chapter V |
| Rat in a Jar | Complete the mission 'Rats In The Library' in Chapter V |
| Russel's shirt | Complete Chapter I |
| Teddy Bear | Complete the mission 'Carnival Date' in Chapter II |
| Various Chem Plant Signs | Complete both part of the mission 'Busting In' in Chapter V |
| Venus Flytrip Head | Complete the mission 'Weed Killer' in Chapter II |
