Dreams about playgrounds often symbolize childhood, innocence, and playfulness, but the foggy setting and the towering equipment suggest feelings of uncertainty and fear. The fog may represent confusion or a lack of clarity in your life, while the unusually tall swings and slide could indicate overwhelming challenges or pressures you're facing.

Your repeated falling could signify feelings of inadequacy or fear of failure, especially when confronting these challenges. The dreadful feeling upon realizing you're in the dream again may reflect anxiety or apprehension about returning to situations that make you uncomfortable.

To gain insight from this dream, consider reflecting on areas of your life where you feel overwhelmed or unsure. Are there specific challenges that feel insurmountable? It might be helpful to address these feelings in your waking life, perhaps by seeking support from friends or family, or by breaking down larger issues into smaller, more manageable steps.