| Unlockable: | How to unlock: |
| #WINNING! (15) | You've dominated 10 Festival Races. |
| ...and across the line! (10) | You competed in your first race at Horizon. |
| A Wristed Development (20) | You received your Yellow Wristband. |
| All Your Race Are Belong to Us (30) | You've won every single race in the game! |
| Almost Famous (20) | You're the 50th most popular driver at Horizon. |
| Bargain Shopper (10) | You bagged yourself a nice discount. |
| Barn This Way (5) | You found your first barn find. |
| Been There, Done That! (10) | You've fully explored the Horizon Festival Loop. |
| Black Friday (20) | Never pay for an upgrade again! |
| Born Slippy (10) | You've won your first Mixed-Surface or Dirt Race. |
| Close Encounters (20) | You've challenged and beaten 10 festival racers on the spot. |
| Cruise Club (20) | You've completed 10 free roam challenges online. |
| Darius Who? (100) | You owned Darius Flynt and became the Horizon Festival champion. |
| Ding! (5) | You got to Level 5 online. |
| Domination! (10) | You've sent every Horizon Star packin'. |
| Exhibitionist (20) | You've won every Showcase Event in the game. |
| First! (20) | You won your first race at Horizon. |
| Freshly Squeezed (40) | You received your Orange Wristband. |
| Gettin' It Done (30) | You rocked every single Festival Event. |
| Going Green (25) | You received your Green Wristband. |
| Golden Boy (50) | You received the Golden Wristband. |
| Hard Driving (10) | You finished in first place on HARD? Nice. |
| Just Me and the XP (10) | You've reached level 25 online. Did you win a car yet? |
| Killer Skills (25) | You're the 10th most popular driver at Horizon. |
| Kudos to You (10) | You've completed 5 Sponsorship challenges. |
| Lawbreaker (10) | You blasted past 5 speed traps and 5 speed zones. |
| May The Forza Be With You (10) | You received free cars for being a loyal Forza fan! |
| Noob No More (20) | 25 online races complete... awesome! |
| Notorious (30) | You're the most popular driver at Horizon. |
| OMG (5) | You won your first car online. |
| OMGWT*BBQ!? (20) | You got seriously lucky and won 5 cars online. |
| One to Watch (10) | You're the 200th most popular driver at Horizon. |
| Out of the Blue (30) | You received your Blue Wristband. |
| Playground Games (5) | You completed each of the Playground game types. How fun was that? |
| Purple Reign (45) | You received your Purple Wristband. |
| Racing for Pinks (35) | You received your Pink Wristband. |
| Rave Paint (10) | You created a paintjob and your ride is looking SWEET! |
| Road Trip (25) | You've driven along every road in the entire game. |
| Sellout (20) | 20 Sponsorship Challenges? Now you're popular and rich! |
| Still a Noob... (10) | 10 online races complete... not bad! |
| Stuntman (25) | You've completed every Horizon Outpost PR Stunt. |
| Swings and Roundabouts (20) | You've completed 3 of each Playground game types. |
| Take Her for a Spin! (15) | You bought a car from the Autoshow. Now take her for a spin! |
| The Next Big Thing (15) | You're the 100th most popular driver at Horizon. |
| Vendetta (20) | You've beaten a Rival time in 10 events. |
| WARNING!!! DANGER TO MANIFOLD (15) | You've won 10 Street Races. Ali would be proud. |
| Welcome to Horizon (10) | You arrived at Horizon Festival raring to go. |
| Wheelin' 'n Dealin' (10) | You sold something via your Storefront. KERCHING! |
| Win Diesel (30) | You cruised past the competition and won every Street Race. |
| ZOMG! (10) | You've won 3 cars online. |
.