Speed Racer: The Videogame Quick Battle mode
Win the Pro AM Class in the World Racing League to unlock Quick Battle mode.
Quick Stunts mode
Win the World Racing League on the Easy difficulty to unlock Quick Stunts mode.
Time Attack mode
Win the Pro Class in the World Racing League to unlock Time Attack mode.
Pro Class
Win the World Racing League on the Easy difficulty to unlock the Pro Class.
Mach 6
Win the World Racing League on the Easy difficulty to unlock the Mach 6.
Bonus characters
Reach the indicated number of fans to unlock the corresponding character:
- Booster Mbube (Surge Box): 200,000 fans
- Cannonball Taylor (GRX): 140,000 fans
- Delia (Chichi): 350,000 fans
- G. Danneskjold (Taangrisnir): 275,000 fans
- Gray Ghost (Fumee): 60,000 fans
- Kellie Kalnikov (Matryoshka): 100,000 fans
- Mariana Zanja (Petrobras-1): 500,000 fans
- S. Storm (Nukeshot): 425,000 fans
- Sonic Renaldi (Chalk-head): 30,000 fans
- Taejo Togokahn (Hangul): 600,000 fans