Tony Hawk's Project 8 - Xbox 360 Cheats and Codes

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

Unlockable: Condition:
100 games online (20 points) - Finish 100 games online.
50 games online (15 points) - Finish 50 games online.
All pro challenges completed (20 points) - Complete all the pro's challenges.
Beat a developer (50 points) - Win a skate session against a member of the Project 8 development team, or someone who already has.
Burnquist Pro Challenge (10 points) - Find Bob and beat his challenge.
Capitol Classic beaten at sick (15 points) - Capitol Classic beaten at sick.
Factory Classic beaten at sick (15 points) - Get sick on the Factory classic goal.
Factory unlocked (10 points) - Unlock the Factory.
First Sick Goal (5 points) - Complete a goal at Sick difficulty.
Full stats (50 points) - Get every stat maxed.
Fun Park Classic beaten at sick (15 points) - Get sick on the Fun Park classic goal.
Funpark unlocked (10 points) - Unlock the Funpark.
Hang Time (20 points) - Get 14,000 seconds of air time.
Hit 50% of the gaps (20 points) - 50 percent of the gaps found.
Hit all of the gaps (35 points) - Skate the world and find every gap.
Main St Classic beaten at sick (15 points) - Get sick on the Main St classic goal.
Manual Master (20 points) - Manual for 140,000 feet..
Margera Pro Challenge (10 points) - Find Bam and beat his challenge.
Mullen Pro Challenge (10 points) - Find Rodney and beat his challenge.
Nice combo! (20 points) - Land a combo over 500,000 points.
Nyjah & Lyn-Z Pro Challenge (10 points) - Find Nyjah and Lyn-Z and beat the challenge.
Outta the houses (10 points) - Escape the suburban life.
P-Rod Pro Challenge (10 points) - Find P-Rod and beat his challenge.
Played Xbox Live (10 points) - Play an online game.
Ranked Number 1! (100 points) - You are the number one skater on Project 8.
School Classic beaten at sick (15 points) - Get sick on the School classic goal.
School unlocked (10 points) - Unlocked the School.
Scored over 1,000,000 points! (10 points) - Score over 1 million points.
Secret area found (5 points) - Find your first secret area. Don't tell anyone.
Sheckler Pro Challenge (10 points) - Find Ryan and beat his challenge.
Sick Chalk Challenges (30 points) - Complete all the goals at Sick difficulty.
Sick Classic Goals (30 points) - Complete all the classic goals at Sick difficulty.
Skate Classic beaten at sick (15 points) - Get sick on the Skate Park classic goal.
Skate Park unlocked (10 points) - Unlock the Skate Park.
Slums Classic beaten at sick (15 points) - Get sick on the Slums classic goal.
Slums unlocked (10 points) - Unlocked the Slums.
Song Pro Challenge (10 points) - Find Daewon and beat his challenge.
Suburbia Classic beaten at sick. (15 points) - Get sick on the Suburbia classic goal.
The Daily Grind (20 points) - Grind for 140,000 total feet.
Training Complete (10 points) - Complete the training.
Vallely Pro Challenge (10 points) - Find Mike V and beat his challenge.
Williams & Dollin Pro Challenge (10 points) - Find Stevie and Dustin and beat the challenge.
You made it into Project 8 (50 points) - Crack the top 8.
You made it to spot 4! (75 points) - Crack the top 4

Unlockable: Travis Barker
Go to the cheat menu and enter plus44.

Unlockable:
Neversoft Mascot, Jason Lee, an Grim Reaper for play in Multiplayer and Free Skate
Make it into the top 8 rankings in Career Mode.