Project Gotham Racing 4 Cheats - Xbox 360

Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points:

1-2 Finish (10) - Complete a Ranked Match Team Championship with your team taking the top two positions.
3CZV657 (5) - During any stormy race, be travelling at over 88mph in a Delorean when lightning flashes.
5-Star Racer (20) - Earn 5 Kudos Stars.
8th Wonder of the World (20) - Complete a lap of the Michelin Test Track 'figure of 8' while sliding.
Arcade Chapter Complete (30) - Complete any chapter in Arcade mode.
Back it Up! (10) - In split-screen Street Race, finish 1st and 2nd in reverse gear against at least one AI opponent.
Beat Bizarre (10) - Defer a PGR 4 team member on Xbox LIVE, or defeat anyone who's bested a PGR 4 team member.
Bibendum (10) - Play all 3 Test Track disciplines and set a score in each one.
Buy an Achievement (20) - Buy the K1,000,000 gamer picture to earn this Achievement.
Catch 'em All (5) - Swap paint with every opponent in an eight vehicle race.
Champion (10) - Win your first Championship in either Single Player Career or Ranked Match play.
Dominator (20) - Win all three Single Player Career Majors.
Endo King (20) - Earn 100 Kudos by performing an Endo with a motorcycle.
First Timer (10) - Complete your first Ranked Match Championship.
Giant Killer (20) - Win against a human opponent with Rank 1 single player status on Xbox LIVE.
Gold Double (5) - Earn at least a Gold medal with both a bike and a car in any Arcade event.
Gold Gotham Arcader (10) - Earn a Gold medal in every Arcade event.
Hero (20) - Become a National Champion in Single Player Career mode.
Hotshot (70) - Reach the rank of Hotshot in Single Player Career mode.
I Love PGR (5) - Buy everything in the PGR shop or complete PGR3 and get to Rank #1.
Major Winner (40) - Win a Major in Single Player Career mode.
Master (40) - Reach the rank of Master in Single Player Career mode.
Mind Your Manners (25) - Win a Street Race in Arcade or Gotham Career mode without making contact with walls.
Motorcycle Ace (25) - Win a Single Player Career Championship in a motorcycle.
Numero Uno (50) - Reach Rank Number One on the Single Player Career Drivers' Leaderboard.
PGR On Demand Photo (5) - Upload a photo and vote on a photo in PGR On Demand.
PGR On Demand Video (5) - Upload a replay and vote on a replay using PGR On Demand.
Platinum Double (5) - Earn at least a Platinum medal with both a bike and a car in any Arcade event.
Platinum Gotham Arcader (10) - Earn a Platinum medal in every Arcade event.
Play It Again Sam (20) - Improve on a medal earned in any arcade event.
Professional (70) - Reach the rank of Professional in Single Player Career mode.
Rubbin' is Racin' (20) - Knock off the wing mirrors on all your opponents' vehicles in a Single Player Street Race event.
Seat of your Pants (25) - Complete a Hot Lap event in Arcade mode without touching your break.
Secret Agent (5) - Select the Aston Martin DBS. Do a race in Las Vegas. Look for a "Casino Royale" building, then park at the front.
Show Jump (10) - Get eight vehicles in the air at the same time.
Showboater (20) - Earn 9000 Kudos in a single race.
Silver Double (30) - Earn at least Silver medal with both a bike and a car in any Arcade event.
Silver Gotham Arcader (40) - Earn a Silver medal in every Arcade event.
Strike a Pose (10) - Get two bikes facing each other, 15 metres apart, with each performing an impressive endo.
Stuntman (5) - Perform your first stunt on a bike.
Superstar (40) - Earn 5 Kudos Stars three times in a race.
Team Domination (20) - Complete a Ranked Match Team Championship with your team taking up the top four positions.
Team Leader (10) - Earn the most points for your team in a Ranked Match Team Championship.
The Unicyclist (20) - Perform a long Wheelie on a motorcycle.
Tonight Make Me Unstoppable (5) - Get second place during a race while listening to the song Bloc Party - Prayer.
Weather Master (25) - Win races in rain, fog, and snow in either Arcade or Single Player Career modes.
Whitewash (50) - Win every event in a Single Player or Ranked Match Championship.
Winner (5) - Win your first event in either Arcade or Single Player Career Mode.
Winning Streak (30) - Win 3 race events back to back in either Arcade or Single Player Career Mode.
You Won't Believe Your Eyes! (5) - Create a 3D image using Photo Mode.

DLC Achievements:

Cheater (5) - Activate one of the cheats in the cheat menu.
01 Yee Haw (10) - Puzzle #4.
Are You the One? (10) - Puzzle #5.
Arcade Challenge (50) - Complete the Arcade Challenge chapter (at various difficulties).
Make the Grade (10) - Try to qualify for a tournament.
Open Cat Champion (15) - Be a cat on the winning team in a Cat and Mouse Open Event.
Open Mouse Master (15) - Be a mouse on the winning team in a Cat and Mouse Open Event.
Download King (60) - Complete the DLC Challenge chapter (at various difficulties).
Platinum Plus (60) - Get all the platinums in the Platinum Plus Challenge.
Tourist Kudos King (15) - Earn more kudos than anyone else in a Tourist event.