When walking along a path with lots of manhole covers under which splashing water was heard, my dad pretending that there was a troll in a boat down there who might climb up and eat me up.
My mum didn't like role playing games in general, but she liked telling stories, and illustrating them on a blackboard. She used to tell them based on places we had been.
When I was older, my brother and I played lots of games about being in Narnia.