Battlefield 3: Return to Karkand

Main article: Battlefield: Free-to-play
BattlefieldPlay4Free is the tenth entry in the Battlefield series and follows Battlefield: Heroes, a free to play game in the Battlefield multiplayer series. The game uses an enhanced version of the Refractor 2 engine, porting four classic maps and several loadouts from Battlefield 2, as well as adopting the design of Battlefield: Rebel Company 2's troop assignments. The game is scheduled for release in early 2011 and supports up to 32 players in the same match.