Our playgrounds were blacktop, too, when I was a kid...none of that soft Nancy-boy wood chip stuff.
We used to play a game called "flashlight tag" at night. (I guess it would be "torch tag" in the UK.) It was played after dark, and we'd hide anywhere, running across people's lawns and in their yards, climbing fences, etc. The person who was "it" had to find you in the dark, and tag you by spotlighting you in the flashlight beam. I remember one night climbing over the neighbor's fence and jumping down into his back yard. Unfortunately, they'd been installing aluminum siding on their house, and had thrown the old wooden boards behind their garage, and I landed directly on an upraised nail. Went right through my foot, poking out through the top. Ouch. But my parents didn't sue the neighbors or anything, as folks do today; I just got yelled at on the way to the emergency room.