
I recommend to draw a map of all the tubes and the cities. 

Password:AUSTRALIA 
Identify Code when being caught by satellite. 
1st time: MAGMA, LTD. 
2nd time: AXD-0315479 
3rd time: HYDRAULIC 

Visiting the cities in the following order is the shortest way to solve the game. 
1.FRANCE 
Sell:$5000 
Buy :Deed to a Swiss Chalet, Chronograph 
2.EGYPT 
Sell:Chronograph 
Buy :Emerald Scarab, Gold Statuette of Tut 
3.GREECE 
Sell:Emerald Scarab 
4.INDIA 
Sell:Gold Statuette of Tut 
5.CANADA 
Sell:Deed to a Swiss Chalet 
Buy :Uncut 3Kt. Diamond 
6.JAPAN 
Sell:Uncut 3Kt. Diamond 
Buy :Cultured Pearls, 35 mm Camera 
7.CHINA 
Sell:Cultured Pearls 
Buy :Jade Carving 
8.BRASIL 
Sell:Jade Carving 
9.GREAT BRITAIN 
Sell:35 mm Camera 
Buy :Autographed Beatles Album 
10.USA (East Coast) 
Sell:Autographed Beatles Album 
11.USA (West Coast) 
DESTINATION STATION 

Some additional hints 
- Dont enter the area in southwest pacific, certain death is sure. 
- After station #7 your SRU will disappear on the screen. You gotta move it by sound then.
  1 tone = half block in X-direction or = one block in Y-direction