No, you can’t use a Roblox gift card on Steam
Roblox and Steam are two different platforms with their own unique gift cards. While both platforms allow you to buy and play games, their gift cards are not interchangeable.
A Roblox gift card can only be used on the Roblox platform. It allows you to purchase Robux, the virtual currency used in Roblox, as well as other in-game items and subscriptions.
On the other hand, a Steam gift card can only be redeemed on the Steam platform. Steam is a digital distribution platform for video games, and the gift card can be used to purchase games, software, and other digital content on Steam.
So, if you’re looking to buy games or digital content on Steam, you’ll need a Steam gift card, not a Roblox gift card. Make sure to check the platform requirements before purchasing a gift card to ensure it can be used where you want.