Flip your water bottle onto a shelf. See how many times you can do it in a row.
The shelf moves each time you successfully land the bottle. After every 5 in a row, the shelf shrinks in size.
So, one day I'm over at a friend's house. Their 11 year old comes walking up, and flips his water bottle up onto the counter in between us. Having never seen anyone do that before, I was like, "You couldn't do that again if you tried." To which he proceeded to do it again.
There is the simple story that is the inspiration for this game. In the time since, I've seen that it's a thing nowadays. People are flipping bottles all over the place. I thought it would make a great game. So, here you go...