Battlefield Play4Free - Launch Trailer (Game)

Battlefield Play4Free is a first-person shooter developed by EA and Easy Studios. Based on the Battlefield series, the game features a modern warfare setting. Play4Free is built on a modified version of Battlefield 2's engine, with improvements such as high resolution artwork and post-processing effects. The game is also less demanding on computer specifications, similar to Battlefield Heroes.
As the game’s title suggests, the game is available to players for free online, under Electronic Arts' "Play 4 Free" model. Play4Free uses a similar micro-payments store system as Heroes. It was announced on November 5, 2010. The game is currently in open beta testing phase, which began on April 4th. Battlefield Play4Free coming in April (closed) Beta codes originally started being distributed via email on March 17, 2011.

text source: wikipedia.org