Our TG Caption

You decide to check out the one with the weirder name, 'The Human Body Physics Lab'. You head through the door and find yourself in an empty white room, all the walls are exactly the same and the lights are on, there are however a few things in this room.

Directly in front of you is three big buttons on a pedestal, all three of them on a pedestal. They read "Level 1 difficulty", "Level 2 difficulty" and "Level 3 difficulty" respectively.

The buttons must be linked to something... But what? only one way to find out...