The new Apple TV will support third-party game controllers in in its attempt to bring iOS-style gaming to the living room -- but developers can't make those controllers a requirement. In a programming guide for Apple's new tvOS platform, the company notes that every game developed for the Apple TV is required to support the touchpad-enabled Siri remote. That's a change from what Apple originally announced last week. Developer Rusty Moher tweeted a section of the same programming guide back on September 9th when Apple first announced tvOS; at the time, it said developers could require an "extended" game controller, though developers were discouraged from doing so. Since then, it appears that Apple has changed its tune.