- Bam Margera: Successfully complete his Pro Challenge
- Beaver mascot: Unlock the High School
- Bob Burnquist: Successfully complete his Pro Challenge
- Bum: Unlock the Car Factory level
- Daewon Song: Successfully complete his Pro Challenge
- Dustin Dollin: Successfully complete his Pro Challenge
- Filmer: Unlock the High School level
- Jason Lee: Successfully complete the final Tony Hawk goal
- Lyn-z Adams Hawkins: Successfully complete his Pro Challenge
- Mike Vallely: Successfully complete his Pro Challenge
- Nyjah Huston: Successfully complete his Pro Challenge
- Paul Rodriguez: Successfully complete his Pro Challenge
- Photographer: Unlock the Shops level
- Real Estate Agent: Unlock the Downtown level
- Rodney Mullen: Successfully complete his Pro Challenge
- Ryan Sheckler: Successfully complete his Pro Challenge
- Security Guard: Unlock the School level
- Stevie Willams: Successfully complete his Pro Challenge
- Travis Barker: Successfully complete his Pro Challenge
- Zombie: Successfully complete his Pro Challenge
- All Pros Behind The Scenes: Successfully complete all Pro Challenges.
- All Pros Day In The Life: Obtained from Jason Lee once each time.
- Bam Margera Pro Footage: Successfully complete the Bam Margera Pro Challenge.
- Bob Burnquist Pro Footage: Successfully complete the Bob Burnquist Pro Challenge.
- Daewon Song Pro Footage: Successfully complete the Daewon Song Pro Challenge.
- Dustin Dollin Pro Footage: Successfully complete the Dustion Dollin Pro Challenge.
- Lyn-Z Adams Hawkings Pro Footage: Successfully complete the Lyn-Z Adams Hawkings Pro Challenge.
- Mike V Pro Footage: Successfully complete the Mike V Pro Challenge.
- Nyjah Huston Pro Footage: Successfully complete the Nyjah Huston Pro Challenge.
- Paul Rodriguez Pro Footage: Successfully complete the Paul Rodriguez Pro Challenge.
- Pro Bails 1: Successfully complete the Tony Hawk Pro Challenge.
- Rodney Mullen Pro Footage: Successfully complete the Rodney Mullen Pro Challenge.
- Ryan Scheckler Pro Footage: Successfully complete the Ryan Scheckler Pro Challenge.
- Stevie Willams Pro Footage: Successfully complete the Stevie Willams Pro Challenge.
Skate over to the large roller coaster. Enter at the entrance of the roller coaster, skating in the opposite direction of the cart. Fully skate the roller coaster while jumping over the cart when it comes around and land at the beginning of coaster entrance. Do not fall and land it to get a few hundred Stokens.
- Training Complete (10 points): Complete the training.
- Outta the houses (10 points): Escape the suburban life.
- School unlocked (10 points): Unlocked the School.
- Slums unlocked (10 points): Unlocked the Slums.
- Skate Park unlocked (10 points): Unlock the Skate Park.
- Funpark unlocked (10 points): Unlock the Funpark.
- Factory unlocked (10 points): Unlock the Factory.
- First Sick Goal (5 points): Complete a goal at Sick difficulty.
- All pro challenges completed (20 points): Complete all the pro’s challenges.
- 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.
- 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.
- Scored over 1,000,000 points! (10 points): Score over 1 million points.
- Nice combo! (20 points): Land a combo over 500,000 points.
- Played Xbox Live (10 points): Play an online game.
- 50 games online (15 points): Finish 50 games online.
- 100 games online (20 points): Finish 100 games online.
- You made it into Project 8 (50 points): Crack the top 8.
- You made it to spot 4! (75 points): Crack the top 4
- Ranked Number 1! (100 points): You are the number one skater on Project 8.
- Secret area found (5 points): Find your first secret area. Don’t tell anyone.
- Manual Master (20 points): Manual for 140,000 feet..
- Hang Time (20 points): Get 14,000 seconds of air time.
- The Daily Grind (20 points): Grind for 140,000 total feet.
- Beat a developer (50 points): Win a skate session against a member of the Project 8 development team, or someone who already has.
- Suburbia Classic beaten at sick. (15 points): Get sick on the Suburbia classic goal.
- Main St Classic beaten at sick (15 points): Get sick on the Main St classic goal.
- Capitol Classic beaten at sick (15 points): Capitol Classic beaten at sick.
- School Classic beaten at sick (15 points): Get sick on the School classic goal.
- Slums Classic beaten at sick (15 points): Get sick on the Slums classic goal.
- Skate Classic beaten at sick (15 points): Get sick on the Skate Park classic goal.
- Fun Park Classic beaten at sick (15 points): Get sick on the Fun Park classic goal.
- Factory Classic beaten at sick (15 points): Get sick on the Factory classic goal.
- Full stats (50 points): Get every stat maxed.
- Mullen Pro Challenge (10 points): Find Rodney and beat his challenge.
- Vallely Pro Challenge (10 points): Find Mike V and beat his challenge.
- Song Pro Challenge (10 points): Find Daewon and beat his challenge.
- Burnquist Pro Challenge (10 points): Find Bob and beat his challenge.
- Sheckler Pro Challenge (10 points): Find Ryan and beat his challenge.
- Margera Pro Challenge (10 points): Find Bam and beat his challenge.
- Nyjah & Lyn-Z Pro Challenge (10 points): Find Nyjah and Lyn-Z and beat the challenge.
- Williams & Dollin Pro Challenge (10 points): Find Stevie and Dustin and beat the challenge.
- P-Rod Pro Challenge (10 points): Find P-Rod and beat his challenge.
Additionally, there are five secret achievements:
- Break 15 Bones In One Bail (10 points): Self-explanatory.
- Impressing The Locals (25 points): Get 1000 Stokens.
- Shhhh it’s a secret (25 points): Find all the secret areas.
- Sick Highscore Run (20 points): 5,000,000 point combo in High Score/Free Skate.
- That combo was sick! (35 points): Land a combo over 5,000,000 points.

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