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.

Roblox announced a series of changes at its developers conference, including ones that'll give creators more chances to earn money.

Roblox is partnering with Shopify to sell physical merchandise in games. Creators can integrate Shopify's storefronts directly into their games. This partnership will allow creators to monetize ...