Call of Duty: Black Ops 4 Includes an Exclusive Calling Card and 2 hours of 2XP (Codes to be delivered via email) - the more Experience Points [XP] earned, the higher you can progress through levels and content in the game Call of Duty: Black Ops 4 delivers the deepest and most tactical multiplayer experience ever in Black Ops, the biggest day one Zombies offering ever in the series with triple the number of adventures, and an all-new Battle Royale-inspired mode that brings together characters, locations, weapons and gear from across the storied series in all-out survival combat, all uniquely Black Ops.