tip for chrome users your files are shared between browsers so you can start on the IE you always keep around because something inevitably demands you use it then move to chrome
inhglor what you need to do is fill all the open spots with mages and don't upgrade them until your done with the first 5 monsters that are weak to fire then upgrade them to cold
dje123 if your data is lost its probably due to your cookies getting deleted because thats where your game is saved so if you cleared your cookies its gone