Sorry i found the solution, i have some packages missings. I downloaded the packages from this site http://pkgs.org/ubuntu-11.10/ubuntu-uni ... 6.deb.html and the games are running.

Hi there! I have downloaded love framework just for run some games, but when i wanna run a game i only see a black screen in a window. Its strange because when i run the games in the demo path they actually run fine. Happens the same with all game what i download. ¿Can be a missing package? Sorry fo...