Special Achievements

There are over 100 Special Achievements, divided into the 'Special' and 'Seasonal' subcategories.

Collect Envelopes
Collect the envelopes that float up from the bottom of the screen in the Main Station.

Collect Locomotives
Previously, this series of achievements was cumulative, i.e. it required a total of 85 locomotives to complete all four achievements. Pixel has changed this series to be non-cumulative, matching the other series. Completing all four achievements now requires a total of 121 unique locomotives.

4-Star Achievements
[[File:Achievement 4

Seasonal
Seasonal achievements occur during holidays or events of the year, sometimes each year.