It’s incredibly easy to hack your neighbourhood playground for competitive sports. Here, a rock and a set of swings are the required elements for the intensely competitive “Ishi-tori ge-mu” (Grab the Rock Game).
How to Play: Get a rock. Place it somewhere where you think your opponent can’t reach. When he picks it up, he does the same to you. Ad infinitum. Superb afternoon fun.
Q: What fun and camaraderie might result from creatively combining multiple mundane elements of city infrastructure?