Why this sounds so familiar to half life g-man theme radio meanwhile it sometimes doesn't sound like it?

i'm torturing myself by this

Holy shit

My holy moly what

[ Subtitles ].

[ Another New office ]

- Need to change the flash light texture. bye bye.

This is gonna take a while before this gets completed

new office wowowowowow

[ Teaser - 7 ]

- IT'S THEIR FAULT, that

Subtitles, woah.