Over the last several years, Roblox has become one of the biggest games on the planet. While it doesn't have the same cultural cachet as something like Fortnite, it's incredibly popular with younger gamers. That's an important demographic and one that generally makes its purchases using gift cards. With that in mind, the developers at the Roblox Corporation often put on in-game promotions to try and boost sales. The newest of these was recently revealed, bringing a new cosmetic toRoblox, but only if you use a gift card from GameStop.