2010 - Participating countries:
 
Austria, Belgium, Brazil, China, Czech Republic, ex Yugoslavian Republics, Denmark, Finland, France, Germany, Greece, Iceland, Israel, Italy, Lithuania, Luxembourg, Mexico, The Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Great Britain (26);
 
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2009 - Participating countries:
 
Austria, Belgium, Brazil, China, ex Yugoslavian Republics, Finland, France, Germany, Greece, Iceland, Israel, Italy, Lithuania, Luxembourg, Mexico, The Netherlands, Norway, Poland, Romania, Spain, Switzerland (21);
 
Winner band 2009: Crysys Spain

2008 - Participating countries:
 
Austria, Belgium, Brazil, China, ex Yugoslavian Republics, Finland, France, Germany, Greece, Israel, Italy, Lithuania, Luxembourg, The Netherlands, Norway, Poland, Spain, Switzerland (18); more than 56 concerts worldwide.
 
Winner band 2008: The Fading Israel

2007 - Participating countries:
 
Germany, France, Italy, Belgium, Norway, Finland, Brazil, Switzerland, Austria, ex Yugoslavian Republics, Poland, The Netherlands, Luxembourg (12)
 
Winner band 2007: Torture Squad Brazil

2006 - Participating countries:
 
Germany, France, Italy, Belgium, Norway, Finland, Brazil, Switzerland (7) (from 2006 onwards only those countries are allowed to participate in the Metal Battle which hold at least one live event in their country)
 
Winner band 2006: Drone Germany (first year with only 1 „international“ winner)

2005 - Participating countries:
 
Germany, France, Italy, Belgium, Norway, Finland, Brazil (6)
 
Winner band 2005: Gorilla Monsoon Germany
 
"special award" international for Tuatha de Danan, Brazil.

2004 - First Metal Battle in Wacken
 
Organised by W:O:A Supporter Club Winner bands. Six Bands from Germany and five international bands.
 
Winner: Reckless Tide ,Germany
 
"special award" international for Vanguard, Finland