Thanks for your answers.
Originally posted by SR71
You should consider finding pkgs that could help, or modify the case to support another CPU fan.
Do you have any ideas on which pkgs could help? I thought about buying such a notebook placement thing with a fan in it.
Originally posted by Scipz
It's probably just old. Or the game you are playing takes up to much CPU or RAM..
I guess it is old, that could be a problem. Otherwise I tried different games (Ni No Kuni, Final Fantasy IX (PS1), Yakuza 5, etc.), so I guess it has not really something to do with the games, because it is also loud and hot when just starting multiman.