Hidden Achievement
At the start screen enter Up, Up, Down, Down, Left, Right, Left, Right, B, A to unlock the Classic Gamer Achievement.
Achievements
| Achievement | How to Unlock |
| All Your Game Are Belong To Us |
Play all Challenge Events. |
| Game Guru | Win the game. |
| Whirlm Streak | Win 3 Challenge Events in a row. |
| Kittyfloss Streak | Win 5 Challenge Events in a row |
| Chewnicorn Streak | Win 8 Challenge Events in a row. |
| Hi-yaaaa! | Destroy 10 objects in a single race while playing as Petunia Pretztail. |
| King Roario Award |
Win all Challenge Events and races in a single game. |
| Int'l Piñata of Mystery | Use each power-up at least once in a single game |
| Coulda Been a Contender | Win 1 race. |
| Get to Know Everyone |
Finish the game in any place with each of the 8 characters. |
| Girl Power | As a female character, finish a game while never losing to a male character. |
| Boy Band | As a male character, finish a game while never losing to a female character |
| Rashberry Gluttony | Collect more than 1,000 pieces of candy while playing as Fergy Fudgehog. |
| Popularity Contest | Complete a game with all 4 characters playing as Hudson Horstachio |
| Think Fast! | Never get hit in an entire contest by a Fiesta Missile while playing as Paulie Pretztail. |
| No Wipeouts | Never fall down in a single race while playing as Franklin Fizzlybear. |
| Mama's Boy | Lose to Fergy Fudgehog while playing as Francine Fudgehog. |
| Bear Hug | Never use a power-up on Franklin Fizzlybear while playing as Florence Fizzlybear. |
| Scene Stealer | Beat Hudson Horstachio while playing as Hailey Horstachio. |
| Classic Gamer Reward |
Enter the classic gamers code while on the START screen. For a hint, go right into your manual… |
| Keep Your Friends Close | Complete a multiplayer game offline. |
| Pacifist | Win a race without using a Fiesta Missile, Colored Water Bomb, or Smoke Bomb. |
| Scenic Route | Win a race without using any shortcuts |
| Artful Dodger | Avoid the snowball in Snow-bowl Dodgeball. |
| Catch It if You Can | Play a game with anyone who has this achievement to earn it. Then, you can "spread" it too. |
| Making Friends | Play a game over Xbox LIVE, or invite someone to an online game |
| Share and Share Alike | Play a game with someone who hasn't unlocked a Challenge Event you have unlocked. |
| Eaglair Eye Award |
Find and use all the shortcuts in the race |
| Sticky Feet | Use the Buzzlegum Honey Slick power-up 10 times. |
| Flutterscotch Quickness |
Use the Flutterscotch Wings power-up to overtake an opponent. |
| Quick Like a Bunnycomb | Hit 3 speed strips in a single race. |
| Redhott Racer | Finish every race |
| Stuffed! | Get more than 99 candies in any single Challenge Event. |
| Professor Pester Award |
Hit every player with a power-up in a single race. |
| Squished! | Jump and ground pound each of the other players at least once in Raisant Stomp. |
| Seeing Double |
Finish a game while playing as the same Piñata as at least 1 other opponent. |
| Loaded Bases | Hit the target 4 times in a row in Swing for the Stars. |
| Aiming Artist | Hit the farthest target at least 3 times in 1 Launching Loathers game. |
| Tricky Treats | Destroy at least 25 pumpkins in a single game of Messy Mayhem. |
| Do You Feel Lucky, Piñata? | Win a game of Short Fuse! without the Loather ever detonating in your hands. |
| Strike! |
Get a strike in Bouncy Bowling |
| Gassy Gusts! | Get your ship all the way to the finish line in Burps Ahoy! |
| Don't Be Left in the Dark |
Knock each of the other players out of the light in a single game of Spotlight Mania. |
| Megaton |
Use the Fiesta Missile power-up on each of the 8 characters. |
| Social Flutterscotch |
Finish the game in first place with each of the 8 characters. |
| Rainbow of Piñatas |
Play each of the 8 characters in 1 of their alternate colors. |
| Practice Makes Perfect | Play the game for 5 hours. |
| Host with the Most |
Host 3 games over Xbox LIVE. |
| Party Crasher |
Win 3 games over Xbox LIVE where you are not the host. |
| So Awesome! | You, the master of unlocking. |