About 8-12 Of them well hidden in the tree next to the playground with a small number of noisy miners as well. Hard to get a clear photo. Numbers estimated based on observation of birds flying away.
This spider was on the bathroom floor. It was raining outside. Maybe a wolf spider? https://australian.museum/learn/animals/spiders/wolf-spiders/
It looks like the last image on the ground leaf litter from: Photographer: David Paul
Museums Victoria
https://collections.museumsvictoria.com.au/species/8811
Lycosa godeffroyi, Garden Wolf Spider. Westgate Park, Melbourne, Victoria.