Xbox Live delivers a host of free services to more than 48 million subscribers, including free game demos, exclusive betas, entertainment and sports apps, Skype (for Xbox One), and access to free over-the-air live television from popular networks like NBC, CBS, and FOX.

For paid subscribers, Xbox Games with Gold gives gamers access to multiplayer gaming and party chat, game add-ons, exclusive discounts of up to 50-75% off select games, and of course, exclusive access to a hand-selected collection of games twice a month.

Here’s the full list of games coming to Xbox Games with Gold in May.

Free Games for Xbox Games with Gold May 2016

Defense Grid 2

Xbox One — Available May 1

Defense Grid 2 is the next evolution in tower defense. In Defense Grid 2, players will discover new additions that will require the player to change their tower strategy. The game offers dynamic content where gameplay is constantly changing. There are a million different ways you can beat a level, so your solution is truly your own. The addition of cooperative and competitive multiplayer brings a whole new experience to Defense Grid. The mix of strategy and puzzle gameplay promises to be fun and engaging.

Costume Quest 2

Xbox One — Available May 16

Trick, treat, and pick a fight with villianous dental soldiers in Costume Quest 2, the sweet sequel to Double Fine’s hit original, Costume Quest, that turned fans of all ages into candy obsessed crusaders. This inspired RPG adventure includes a range of new features and gameplay improvements to double the amount of mischievous fun. Explore spooky time-traversing landscapes, don adorable new costumes that transform into powerful Hallo-warriors, and collect even creepier treat cards to wield in combat against a legion of hygiene obsessed baddies. Only heroic siblings Wren and Reynold can save Halloween forever!

GRID 2

Xbox 360 — Available May 1

Be fast, be first, and be famous as the race returns in GRID 2, the sequel to the BAFTA-award winning, multi-million selling Race Driver: GRID. Experience aggressive wheel-to-wheel competition, advanced AI, stunning visuals, jaw-dropping damage, and feel the thrill of racing iconic cars in a new world of evolving motorsport.

Peggle

Xbox 360 — Available May 16

Experience the ball-bouncing, peg-busting phenomenon! Do you have what it takes to become a Peggle Master? Take your best shot! Conquer 55 levels with 10 mystical Magic Powers and rack up bonus points. Face off against friends in 4-player Xbox Live multiplayer play, and test your skills in 75 Grand Master Challenges.

The Xbox One features cross-compatibility, so Xbox One gamers will have access to all of these games in May. Be sure to grab April’s free games before it’s too late.

See the free games coming to PlayStation Plus May 2016.