@Hamination, according to the site barometrzawodow.pl there's a deficit of graphic designers in Poznań but to be one in Poland in many cases it would be good to know Polish language. It wouldn't be a must in case of game developers but they're usually placed in Warsaw. If you want to pay for your studies by working in Poland I think it would be wise to apply for work first and see if you can get a job or not.
But to apply for work you have to have a portfolio and that brings me to:
To check some of my work please goto ny instagram: haminati0n
Where are your works? I can't see them... Is this what you're going to do to your prospective employers? You'll tell them to look for your works on the internet and if they're lucky they'll find them? lol