Why do women hold all the cards when it comes to kids? Why don't fathers get the same rights?
They do. Have a look at the Children Act. Nowhere does it say that fathers have fewer rights than mothers.
Why is it alright for a woman to cry rape, ruin a man's life and never get punished for it?
It's not all right, and they do get punished when they do so falsely and maliciously.
Why was GTA V banned in Australia for 'violence against women' - so it's okay to murder millions of blokes but not a woman in the game?
You'd have to ask the Australian government. Speaking personally, I don't think it's OK to make a game out of murdering one bloke, let alone millions.
Why are their proposals for women to get 'menstrual leave' each month? What do men get?
There are all sorts of proposals around for all sorts of laws. It doesn't mean they'll ever be enacted, and it doesn't make the hypothetical beneficiaries of such proposals in some way unfairly privileged.