make guitar hero on all game systems http://www.petitionspot.com/petitions/allsystemsguitarhero/ i think they should have guitar hero on all game systems.cause just ps2 is boring.they should have it for more systems. Fri, 9 May 2008 06:1:23 CDT en-us 3 xavier valadez http://www.petitionspot.com/petitions/allsystemsguitarhero/#sig4396102 Wed, 31 Dec 1969 18:0:00 CST I support this petition.