Sony have started sending out beta codes for those that signed up to take part in the God of War: Ascension Multiplayer Beta. Check your inbox for an email from Sony, providing instructions on how to get your PSN Voucher code to download the beta client. The voucher code will be displayed on theif you were successfully chosen.
The invite gives gamers early access to the multiplayer beta. The beta will be opening up to PlayStation Plus members in early January.