You are traveling as a secret agent in Germany. Your task: eradicate the deadly space virus.
Travel to the contaminated cities.
You can find these contaminated cities
at the information stand → 
Walk here to enter a booth ↑
Here at the ticket counter you can see where the trains are going. An 'E' after the departure time means that this is an express train. Other trains are slow trains.
The difference: express trains are at least twice as fast as slow trains.
If you want to buy a ticket, press a button from 1-4.
In large cities there is a casino where you can win crystals or money. In this casino a simple variant of 17+4 is played.
You start with DM 1500.-- you need the money to buy tickets.
At the beginning, you have gifted of some crystals (game display's top right).
You can lay out these crystals () by pressing the fire button. Over time, more and more crystals grow. Be careful!! The people in the train station will take away the crystals that you have set out. So collect them quickly.
You need about 60 crystals to make a contaminated city healthy again.
This person is healthy: 
This is a contaminated person: 
To make contaminated people healthy, you just need to lay out crystals. If a sick person runs over them, he will be healthy again.
A train station consists of several halls. There are gates above and below (). You can get to other halls through these gates.
To take a train to another city, you have to walk to the top hall. When the train has arrived and is stopping, just walk into the train. The image will now change. If you have taken the wrong train, you can get off quickly by pressing the joystick down. Otherwise the train will leave after a few seconds.
The screen displays:
When you are in the train station, you will see at the top
1) where you are currently
2) what type of ticket you have
3) when and where the next train is going
You will see the number of crystals in the top right corner.
At the very bottom left you will see the current time.
Have you understood everything so far? If you want to read the instructions again, press 'A'.
Any other key will continue to the game.