2009 World Championship for Heroes IV Online.

The following maps have been added to the initial list:

Showdown
If these walls could talk
Lost in Space
DangerZone

Now the list of maps looks like this:
 Power Spot (Expert, 8 min)
 Power and Reason (Expert, 8 min)
 Circle of life (Expert, 8 min)
 One hot minute (Expert, 8 min)
 Eldorado (Expert, 6 min)
 Bizarro (Advanced, 8 min);
 Heart of the Winter (Expert, 6 min)
 Iron Man (Expert, 8 min);
 Plains of Despair (Expert, 6 min);
 Spleen (Expert, 8 min);
 If these walls could talk (Advanced, 6 min);
 Showdown (Expert, 6 min);
 Lost in Space (Expert, 8 min);
 DangerZone (Expert, 8 min);

The archive with maps and rules has been updated accordingly. Download it.