 All games are published by Activision , except the first Guitar Hero and the PS2 version of Guitar Hero II , which were published by RedOctane . 
 All games are published by Activision , except the first Guitar Hero and the PS2 version of Guitar Hero II , which <a href='uninflect' title='1'><mark>were</mark></a> published by RedOctane . 
All games are published by Activision , except the first Guitar Hero and da PS2 version of Guitar Hero II , which was published by RedOctane .