PlayStation VR isn’t out until October 13, but you can already download The Playroom VR for free from the PlayStation Store in Europe. A 2.1GB download, it requires PlayStation VR and the PlayStation Camera, and any of the additional players (up to four) just need a DualShock 4 to play.
The Playroom VR is still listed as coming out on October 13 in North America. When it goes live, you can grab it from the PlayStation Store by following this link.
The Playroom VR comes with six VR games, most of which are built for multiplayer. If you want to play solo though, Robots Rescue and VR Bots can be played with one player.
Here’s the details on all of the games:

VR Bots is a welcome lobby that places the user inside a room filled with adorable interactive robots. Monster Escape is a competitive party game for up to five players (1 VR player vs 4 players on TV). The player in the PS VR headset becomes a huge monster destroying a miniature city. One to four additional players use their DualShock 4 controllers to fight the Monster in a fun and epic battle.
Cat and Mouse is a competitive party game for up to five players (1 VR player vs 4 players on TV). The player in the PS VR headset becomes a cat ready to pounce to protect his kitchen from the mice players controlled with the DualShock 4 on the screen.
Ghost House is a co-operative communication game where players must work together to clear a haunted house from the ghosts within a time limit. The player in the...