Here is the full list of all 11 Starbear: Taxi trophies - there are 6 bronze, 4 silver and 1 gold.
Reach 1000 points in any mode.
Play Challenge mode for the first time.
Play Bullet Hell mode for the first time.
Score 200+ in normal or challenge mode, without crashing another car on the road.
Score 200+ in normal or challenge mode, without taking hit from bandits.
Finish a round for the first time.
Touch a golden car to start a gold frenzy.
Deflect 5 missiles with a wrecking ball in one round.
Throw 3 magnet enemies into black hole in one round.
Collect 30 honey pots in one round.
Bump into arcade joystick 5 times in one round.