On 2015-07-14, ken filewood wrote:
"Let's pretend to be doctors and nurses" IS the object of the game.
OK. So you would say the activity itself is the object.
If I were to look at it that way, maybe the only way to have an object-less game would be to play a game where you make your 'moves' without intent. I'm not sure I would call that a game.
But you have already explored that territory.