As of my last update in September 2021, there might have been additional platforms that allow users to trade gaming vouchers for cryptocurrencies. However, new platforms might have emerged since then, and the availability of such services can change rapidly in the cryptocurrency space. It's recommended to research the most current options available.
Here are a few platforms that were known for facilitating gift card to cryptocurrency exchanges as of my last update:
LocalCryptos: This platform allows users to trade a variety of cryptocurrencies for gift cards, including gaming vouchers. It operates as a peer-to-peer marketplace.