There isn't any particular way I could find to record WOG with. The game is always full screen and always cuts everything else going on on your computer outside and there's no way to adjust that, sadly. Even if I click "Save and Launch World of Goo" on goo too and then then quickly click on bandicam and hold down Ctrl + F to select a window to record (i.e. in this case, the game).

In the off-chance that I can't use bandicam, does anyone know any other HD recording software you would suggest I use so that I could actually record the game?