Those other lists of 30
Larping is Live Action Role Playing. Instead of sitting around a table, play is done “in action”, up and moving about. Any resolution besides social ones are done by some “lite” mechanic. It can be a great deal of fun.
There is a group that believes no good can come of trying to change to future to render a prophecy or prediction incorrect. They believe that meddling will either cause the prediction to be true in the first place, or make something worse or more extreme happen.