it's not an invitation. It's an organised event for students and ppl in the ict & multi-media sector (games beeing part of it). I'm a student multimedia and my class is going.
Other presentations are, Intel, Macromedia, Microsoft, cgichick ( did cgi for movies as resident evil), some web-developers...
You could give a try at browsing
http://www.multi-mania.be it's all in dutch so good luck.