This diploma thesis deals with video games as a problematic part of software law that is constantly growing in importance. It focuses on legal difficulties that were a byproduct of their growing economic potential. It further explains relevant aspects of copyright law in this matter and, to a limited degree, also related problematic from different branches of law, namely criminal law, administrative law and civil law. During the writing, I was focusing on distinctive aspects of video games as specific kind of software, and their distinctions from different kinds of works, especially from "classic" computer programs. An introduction to the problematics, an establishment of aims of this work and a brief summary of video games from the forties...