Railbound achievements

1.92%

Unbound

Completed all bonus levels in World 11

1.92%

Ironbound

Completed all bonus levels in World 9

1.92%

Outbound

Completed all bonus levels in World 12

1.92%

Boundless

Completed all bonus levels in World 10

3.85%

Back On Track

Completed all base levels in World 10

3.85%

Twin Tracks

Completed all base levels in World 11

3.85%

Crossroads

Completed all base levels in World 12

3.85%

Raising The Bar

Completed all base levels in World 9

11.54%

Icebound

Complete all bonus levels in World 6

11.54%

Westbound

Complete all bonus levels in World 7

11.54%

Cartographer

Solved 3 levels without placing all available rails (for a puzzle with no pre-placed removable rails)

11.54%

Northbound

Complete all bonus levels in World 5