Link your Steam Account to PlayStation Network to receive unlocks in this and other PlayStation Studios games. You will also receive the latest news, updates and offers from PlayStation Studios games on PC or PlayStation platforms. Register by creating a Sony account for PlayStation Network, or by signing in with your existing Sony account and password. For new accounts, you may opt-in for email and console messages when creating your account. For existing accounts, opt-in for messages via the “Notifications” tab in your Account settings.