Play a game and save and remember the slotNR IN the 

              "X:\\Project Nomads\\Run\\save" 

directory you wil find your savegames , open the file named slotx.n in notepad (where 
x is the slotnumber) (to make the searching and editing easier copy paste the file 
into word , but remember to save the text in notepad , for word will put in a lot of 
extra junk) 

There are a number of things you can edit: 

Find the following Lines : 

              .setmaxartefacts x 

[x is the number of artefacts you can carry, works upto six , dunno if more 
is possible] 

If you look a little further you will find something like this : 

              .addchildvehicle "/world/clans/1/j_navigationtower018" 
              .addchildvehicle "/world/clans/1/j_silo0115" 
              .addchildvehicle "/world/clans/1/j_powerplant0112" 
              .addchildvehicle "/world/clans/1/j_guntower0219" 
              .addchildvehicle "/world/clans/1/artefakttresor0119" 
              .addchildvehicle "/world/clans/1/j_scoutgarage0124" 
              .addchildvehicle "/world/clans/1/ofen0127" 
              .addchildvehicle "/world/clans/1/j_guntower0227" 
              .addchildvehicle "/world/clans/1/biggun30" 

These are your islands buildings and their IDnumbers , to make these a 
little more powerfull search for their building names 

Example searching for "j_guntower0219" wil show you the settings of your 
guntower(in my case my first guntower). If you look carefully you will find a 
line like this 

              "j_guntower01" "j_guntower0219" 

and a little further this line 

              "j_guntower01/turret" "turret19" 

Now comes the editing part : 
in the text j_guntower01 , the 01 stands fo the level of the gun , If you 
change this in both! cases to 03 , j_guntower03) 

You're gun will be a level 3 (wich is the maximum) instead of a level 1. 
The same goes for your powerplant(windmill) and your silo. I know it is 
possible to upgrade your garage to further aswell (level 3 is a bomber).