Sony revealed on their official PlayStation blog that they will be having a free multiplayer weekend this week, taking place from Friday, December 11th, the free weekend will be available for all PlayStation 4 owners.
it will basically allow anyone to play games with online multiplayer features for free all weekend via PlayStation Plus, kicking off at 12:01AM Pacific on December 11th, through to 11:59PM Pacific on December 13th.
Sony explained more about the event on their blog:
Call up your friends, grab your DualShock 4, and get ready for some multiplayer gaming action this weekend. We’re bringing back free online multiplayer to all PS4 owners starting this Friday, courtesy of PlayStation Plus. What better way to check out the recently released free DLC Star Wars Battlefront Battle of Jakku before the premiere of Star Wars: The Force Awakens.
To get started, log on to PlayStation Network during the free weekend period, launch your favorite multiplayer game, and you’ll instantly have access to multiplayer with your friends. There’s no membership commitment required to try out online multiplayer during this period.
You can read more about the event at the source link below.