Various cheats (submitted by Fenrir)
     Press   Alt+Tab,  and  in  the  pause  menu  type  the  following
case-sensitive  code  (note:  if  the  code  doesn't  work  you should
download    and   apply   patch   from   the   official   game   site:
http://utopiareal.com/city/download/ ):

Cheat code:             Effect:
give all                Health, ammo and artifacts.