Unlock Characters
AGES: World Tour Mode: Superstar Showdown - Win Ranger Rush (Sprint) and purchase for 165 stars.
Alex Kidd: Automatically unlocked on December 25, 2012.
Amigo: World Tour Mode: Sunshine Coast - Win Studio Scrapes (Versus) and then purchase for 8 stars.
Danica Patrick: World Tour Mode: Frozen Valley - Win Pirate Plunder (Race) and then purchase for 16 stars.
Doctor Eggman: Win all five mirrored Grand Prix cups.
Gilius Thunderhead: World Tour Mode: Moonlight Park - Win Molten Mayhem (Ring Race) and purchase for 120 stars.
Gum: World Tour Mode: Moonlight Park - Win Jet Set Jaunt (Boost Challenge) and purchase for 105 stars.
Joe Musashi: World Tour Mode: Twilight Engine - Win Shinobi Showdown (Versus) and purchase for 85 stars.
Mii: Win all five standard Grand Prix cups.
NiGHTS: World Tour Mode: Scorching Skies - Win Carrier Crisis (Sprint) and purchase for 80 stars.
Pudding: World Tour Mode: Twilight Engine - Win Hatcher Hustle (Sprint) and purchase for 50 stars.
Reala: World Tour Mode: Superstar Showdown - Win Nightmare Meander (Ring Race) and purchase for 160 stars.
Shadow the Hedgehog: World Tour Mode: Frozen Valley - Win Seaside Scrap (Versus) and then purchase for 35 stars.
Vyse: World Tour Mode: Scorching Skies - Win Rogue Rings (Ring Race) and then purchase for 30 stars.
Boost Start
At the start of any race, during the countdown the screen will fade to black. Each time, tap the accelerator to change the get a level 1, 2, or 3 boost start. Each successful tap will change the color of your exhaust, while a miss-tap will reset it to zero.
Unlock Expert Difficulty
Win all five mirrored Grand Prix cups.
Unlock Grand Prix Mirrored Cups
Win all five standard Grand Prix cups.