Cosign 2001, the the first international conference on Computational Semiotics for Games and New Media, took place on the 10th-12th September 2001 at CWI, Amsterdam. COSIGN 2002 took place in Augsburg (Germany) on the 2nd-4th September, 2002. Cosign 2003 took place at the University of Teesside,Middlesbrough (UK) on the 9th - 12th September, 2003 and COSIGN 2004 took place at the University of Split, Croatia, on the 14th - 16th September, 2004.