[Editor's Note: This article was initially a bit misleading -- while certain games will only be available to Prime members when purchased directly from Amazon, all games will still be available for purchase from third-party sellers via Amazon regardless of your Prime membership status. The headline has since been changed and IGN regrets the error.]

Amazon has begun blocking those without Prime subscriptions from buying certain items directly from the retailer.

An example of the Prime-exclusive button on Amazon.com

Reported by Videogamer , Prime membership is required to buy the likes of Grand Theft Auto V, Assassin's Creed Syndicate, FIFA 16 and other high-profile games, on both Amazon US and Amazon UK.It's worth pointing out that this only applies to goods bought directly from Amazon - the same items can be bought from third-party sellers with no restrictions.The change appears to have been made overnight, unannounced.It's not clear how many titles are currently subject to the change, but the choices do seem to target high-selling games.Anazon recently announced that Prime Video will become a standalone service

Joe Skrebels is IGN's UK News Editor and he is now a Prime Exclusive. Please pay $70 to follow him on Twitter