The most catchy video game song of all time:

[The Anarchyz]

Reasonable said:

Words Of Wisdom said:

nordlead said:
Super Mario Bros. Theme

It has to be the most recognized and played theme in all gaming.

 

QFT. 

Anyone posting other songs is merely posting songs he/she likes; this one answers the question.

 

The question was catchiest - not most known.  And I'd need evidence before accepting that as I've never played a Mario game nor know the theme...

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The SMB theme is so famous that is known even by the people that have never played the game...