https://xgamers.gr/2011/04/unified-controls-%ce%b5%ce%bb%ce%b5%ce%b3%cf%87%ce%bf%cf%82-%cf%84%ce%bf%cf%85-pc-%ce%b1%cf%80%ce%bf-%ce%bc%ce%b1%ce%ba%cf%81%ce%b9%ce%ac/