Battlefield Heroes
"Battlefield Heroes" , along with other EA free-to-play titles "Battlefield Play4Free" , "Need for Speed: World" , and "FIFA World" , went offline on 14 July 2015 . 
<triplet> Battlefield Heroes <subj> free-to-play <obj> business model <triplet> Battlefield Play4Free <subj> free-to-play <obj> distribution format