Steam now requires Australian users to have a credit card to purchase R18+ games, and no, a simple bank debit card won't work

Summary

Valve rolled out 18+ age verification for Australian Steam users yesterday, which was inevitable: both PlayStation and Xbox have already done so and it is, after all, illegal not to, with fines up to AU$50 million at stake. But unlike PlayStation and Xbox, which offers a small handful of ways to verify one's adulthood, Valve has only one: you must own a…