Before designing a shirt, you need to have a Roblox account and some Robux, the in-game currency used by players to buy accessories, clothes, and skins from the avatar shop.

A Roblox Premium subscription also gives you exclusive discounts and items, access to premium-only game levels, and 10% more Robux when you purchase the currency with real money.

Anyone who knows about Roblox knows about Robux. It’s the platform’s currency for purchasing items and game access. But did you know that Roblox games can generate real-world money? The ...