Ever have your child ask you for Robux, the plaform's in-game currency? That's one way Roblox Corporation brings in money. For many games, certain items can only be obtained by using Robux.

Promo codes in Roblox are an excellent way for players to acquire free clothes and items without spending precious Robux.

Roblox buys back the Robux at a set exchange rate (currently at $0.0035 per Robux), and records those payments as "developer exchange fees".

The platform has also proven lucrative for a handful of dedicated Roblox developers and creators, who sell access to their games and virtual avatar accessories in exchange for Robux.

This week a Roblox representative said that developers and creators earned more than $500 million on the platform last year. That figure represents an increase of 52% year-over-year as the company ...

That's how Roblox makes its money -- by selling the in-game currency (Robux) that's required to buy featured items or enter certain areas on the platform.

If trading for the Headless Head isn't possible, Roblox players will need to wait for it to go on sale in October. For 31,000 Robux, it can be bought with the Headless Horseman bundle.

Roblox is free to download on phones, tablets and consoles. The company generates nearly all of its revenue from the sale of its Robux currency, which can be used to purchase in-game virtual objects.