superchunk on 13 May 2014
Basically, it works exactly like PS+ now. So long as you choose to "buy" the free game during its temporary offer period AND keep your Live subscription active, all of the games are yours to keep.
Honestly, I thought that's how Live's free games worked already. It wasn't until today's news came out that I realized there was some kind of difference as everyone is making a big deal out of it.
