User blog comment:Magma-Man/I HATE TEDDY BEARS! 4/26/11/@comment-2192318-20110426193814/@comment-1854594-20110426195945

Only thing about Portal's controls that is different is that YOU CAN'T SPRINT. Other wise it's the exact same, and if it isn't Portal let's you customize the controls anyway you want, unlike other games that only have a couple of preset configurations.