(Image credit: Valve) Valve is bringing an end to one of Steam's longest-running payment options. On its official Steam support page , the company has confirmed that it will be discontinuing Steam gift cards by the end of 2026. It will no longer be restocking physical gift cards at retail stores and expects existing stock to wrap up by the end of the year. Customers with existing Steam gift cards will continue to be eligible to redeem them at any time, subject to applicable local laws. For those interested in grabbing one of the last remaining physical Steam gift cards, several retailers should still have them in stock, including Best Buy . Users who prefer gifting Steam Wallet funds will still be able to purchase and send digital Steam gift cards directly through Steam, meaning the gifting option itself isn't going away, only the physical retail cards are being phased out.…