At the Main Menu, enter the following sequence on the D-Pad while holding all four shoulder buttons on the controller simultaneously: UP, RIGHT, DOWN, LEFT, UP, LEFT, DOWN, RIGHT, RIGHT analog stick (click), LEFT analog stick (click).

ACHIEVEMENT - HOW TO UNLOCK
Beginner (10 points) - Complete a Career Mode event
Rookie Champ (50 points) - Complete Career mode by playing all events on Rookie difficulty or higher
Pro Champ (100 points) - Complete Career mode by playing all events on Pro difficulty or higher
All-Star Champ (150 points) - Complete Career mode by playing all events on All-Star difficulty
Speedster (10 points) - Win your first Time Attack event, in Career Mode or Single Event (Regulation rules)
Endurer (10 points) - Win your first Endurance event, in Career Mode or Single Event (Regulation rules)
Duelist (10 points) - Destroy an opponent's car in a Duel, in Career Mode or Single Event
Saboteur (10 points) - Destroy an opponent's car as the Chicken Bomb in a Multiplayer Survival event
Traveler (10 points) - Complete an online Multiplayer event
Homebody (10 points) - Complete a local Multiplayer event
Tinkerer (10 points) - Build a new vehicle in the Garage
Enthusiast (100 points) - Complete 50 Events in Single Event mode (Regulation Rules)
Collector (30 points) - Build all vehicles in the Garage
Explorer (20 points) - Discover and successfully traverse an Expert Shortcut
Renegade (100 points) - Discover and traverse all Expert Shortcuts successfully
Sprinter (100 points) - Beat all Time Attack Events on All-Star difficulty in Single Event Mode (Regulation rules)
Marathoner (50 points) - Complete a 50 lap Endurance event
Boxer (30 points) - Achieve a 10x Ram Combo
Strategist (30 points) - Win a Single Event Race (Regulation rules), without using the Pit Stop
Pacifist (50 points) - Win a Duel without using any weapons in Career mode or Single Event (Regulation Rules)
Rascal (30 points) - Use every Gotcha to successfully strike at Bot opponents
Achiever (30 points) - Earn all Badges in a Single Event Race (Regulation rules)
Comeback Kid! (30 points) - Win a Single Event Race (Regulation rules) by climbing from last to first place in the final lap
Advocate (20 points) - Win an online Ranked event playing as Jimmie Johnson