1. functional orientation: steam platform is a comprehensive digital distribution platform, which provides all-round services such as game purchase, download, discussion, upload and sharing, while steam game center is mainly used as a game download platform to provide pc game download services.

2. payment method: the steam platform supports various payment methods, such as credit card, debit card and AliPay, which is convenient for players to make purchases, while the steam game center only supports some payment methods, such as AliPay or WeChat payment.

3. steam platform is a comprehensive digital distribution platform developed, designed and operated by valve Company, an American electronic game company, and it is also one of the largest comprehensive digital distribution platforms in the world. The platform was first released as a client providing automatic update function in 23, and then developed into a distribution platform for third-party game publishers.