Get the train car
5-carriage train
10-carriage train
20-carriage train
30-carriage train
50-carriage train
75-carriage train
100-carriage train
Buy a station
To the core and return alive (47KM depth)
To the sea under ICE and return alive (17KM depth)
Unlock chapter 2
Travel 3km
Travel 50km
Travel 100km
Travel 200km
Travel 300km
Travel 400km
Travel 500km