You see a room with two buttons, two numbers and some text. As you enter it, the room expands, and two more buttons, two more numbers and some more text show up. Later someone else enters it, the rooms expands again and two more buttons, two more numbers and some more text show up. Every two buttons come in pairs. There are no text on the buttons. There are shapes on the buttons. You push one button, it lights up and a number increases by one, and a second number increases by five. You then push another button, it lights up a number decreases by one and another number decreases by two. You push a third button, it lights up, but this time two numbers decrease by one and a third number decreases by two. You find the buttons and numbers familiar.
Can you give a clearer explanation of what this mysterious room and everything inside is?