ModNation Racers (PS3)

Speeder

Use a Supercharger and for the duration of the boost don't hit a wall on Tourist Trap

Mind The Mine

Hit an opponent with a level 1 secondary weapon on Gridlock River

Air to Air Combat

Hit an opponent in the air with a Swarm on Skyscraper Hop

Big City Promoter

Host a casual race using a UFG track from the Big City theme

Big City Creator

Create and publish a track using the Big City theme

Big City Tour Winner

Win the Big City Tour

City Slicker

Come 1st in every race, collect all the tokens and complete all the race objectives in the Big City Tour