Roblox says in its original complaint that PlayerAuctions disrupts and undercuts its business and economy by allowing players to buy and sell their accounts, items, and in-game currencies.

Roblox Premium offers new ways to trade and discounts, but costs at least several dollars a month: If you're tired of paying, here's the best way to cancel.

Roblox is opening its User-Generated Content storefront to more people, but you might have to pay an advanced upfront fee to sell your digital wares.