Killzone: Mercenary is currently in closed beta, but at the end of the month, it will much easier to jump in to test the multiplayer vita shooter.

Starting on August 20, PlayStation Plus subscribers, as well as those who were able to acquire early vouchers in PlayStation Home, will be able to enter the Beta. On August 27, the beta will open up to everyone. On September 3, the beta will close to make way for the game's official release on September 10.

Along with the announcement of beta dates, developer Guerrilla Cambridge is offering a number of tips and details about how the multiplayer in Mercenary works on the PlayStation Blog.

When the dates arrive that reveal your window to enter the beta, just make sure to update the system.

[Source: PlayStation Blog]