How much does GamePass cost? Fifty dollars a year?
The past two seasons it has cost $99/yr starting in late July. They half a half-season offer for half-price normally in November.
You get all games from 2012 and beyond, broadcasts of all Super Bowl telecasts except for 1,2 and 4. Live radio calls from home or away broadcasters and games can be presented in full broadcast, condensed broadcasts or "coaches film" style.
See the NFL.com website for additional details.