The intended way to unlock cars is by playing through the single-player campaign, defeating bosses, and completing "Fan Runs."
Winning boss battles (Friendship/Rivalry races) unlocks specialized, high-tier vehicles.
The continued community interest in unlocking all of its content is a testament to Blur 's enduring appeal. Released in May 2010, it was the ambitious last project from developer Bizarre Creations before its closure in 2011. The game was praised for its unique blend of realistic licensed cars (featuring over 50 vehicles from manufacturers like BMW, Ford, and Koenigsegg) with Mario Kart-style power-ups like Bolts, Shunts, and EMPs.