Anyway, to play 1-Up, I post a picture. Then, the next person posts something that's better than the pic above them or can destroy the pic above them, and the next person beats them, and so forth, posting an explanation if it's confusing.
For example, if I put a building, the next poster could put a bomb to blow up the building, and the player after that a guy with wirecutters to disarm the bomb, and after that a shotgun to kill the guy before he disarms the bomb, and after that a snipe rifle because its range > shotgun's range, etc.
Just use google images to find pics.
If nobody can come up with something to top the most recently played thing after a day or so, someone else can restart the game with a new pic.
Try not to repeat earlier series of posts.
So I start with: