Perfect 3 levels in a row.
Perfect 5 levels in a row
Pickup 100 passengers
Perfect 10 levels in a row
Pickup 1000 passengers
Pickup 5000 passengers
Crash 10 trains
Crash 1 train
Crash 25 trains
Complete all levels in the game
Complete all levels in the game with a 3 star rating
Complete all levels in the game with a 2 star rating