Remove 50 animals

Build 100 bridges

Build 5 bridges and finish the level

Build 1000 track tiles

Send trains with workers from different cities to one production

Crash and repair one locomotive 5 times

Build 10000 track tiles

Remove construction equipment for 100K

Return a train back to its departure station

Get 8 locomotives on any level

Have one train crash into another from behind

Finish the level with only one train working

Send 3 trains in a row with only one car each

Upgrade 200 locomotives

Go bankrupt 10 times

Complete any level of 2-5 era without destroying any objects on the map

Transport 500 trains

Build productions totaling 500K

Build 100 tunnels

Remove 50 bridges or tunnels

Transport 50 trains to a wrong destination

Place tracks under a bridge

Press pause button 100 times

Complete a level using a tunnel only in one direction

Build 5000 track tiles

Fail 10 star tasks

Buy 150 locomotives

Send a train with workers from one city to another

Blow up 100 trains

Build a tunnel and finish the level without using it

Complete the level sending only fully loaded trains

Upgrade 8 or more locomotives on one level

Repair 50 locomotives

Remove 300 trees