The Playstation Plus service on PSN is celebrating its first anniversary this week and Sony is rejoicing by throwing in complementary subscription bonuses, called Birthday Bonus Months, for new subscriptions. When you purchase a one-year Playstation Plus subscription package, you’ll get three Birthday Bonus Months of subscription added to your account. If you’re planning to purchase a three-month subscription package, you will have one Birthday Bonus Month added to your account.
This limited offer is currently underway and will last till July 11, 2011. Playstation Plus offers subscribers more than 50 free games, which include a number of PSP minis and PS One Classics, over 100 free DLC items, 170 discounts and early access to demos and betas.