Solved 3 levels without placing all available rails
Solved 2 levels without placing all available rails
Found and completed the hidden level
Completed all bonus levels in World 10
Completed all base levels in World 10
Completed all bonus levels in World 9
Completed all base levels in World 9
Completed all bonus levels in World 8
Completed all base levels in World 8
Completed all bonus levels in World 7
Solved a level without placing all available rails
Completed all base levels in World 7
Connected the trolley to the locomotive
Completed all bonus levels in World 6
Completed all base levels in World 6
Completed all bonus levels in World 5
Completed all base levels in World 5
Completed all bonus levels in World 4
Completed all base levels in World 4
Completed all bonus levels in World 3
Completed all base levels in World 3
Completed all bonus levels in World 2
Connected at least 3 cars in the wrong order
Made 2 cars crash in the middle of a tunnel
Completed all base levels in World 2
Completed all bonus levels in World 1
Completed all base levels in World 1