Many multimedia languages exist today to describe animated, interactive, 2D or 3D graphics and media elements, and each language has its merits. We studied the problems underlying the integration of all these languages in a single player. We present here the result of this work, and in particular, we demonstrate the mixed playback of SVG, BIFS, LASeR, Flash or VRML/X3D content. Categories and Subject Descriptors I.7.2 [Document and Text Processing]: Document Preparation