Call of Duty: Black Ops 4 is a multiplayer first-person shooter video game. Unlike previous titles in the Call of Duty series, Black Ops 4 is the first entry to not feature a traditional single-player campaign, and contains only Multiplayer, Zombies and a new battle royale mode called Blackout.

zombies. Call of Duty: Black Ops 4 delivers the biggest Day 1 Zombies offering ever with an exciting new adventure and a brand-new cast of characters. Explore all three experiences at launch: IX, Voyage of Despair, and Blood of the Dead.

The y-axis indicates how high or low (from 0 to 255 (pre 1.18) or -64 to 320 (from 1.18), with 63 being sea level) the player is i.e., the elevation, The unit length of the three axes equals the side of one block. And, in terms of real-world measurement, one block equals 1 cubic meter.

(Y): The Y coordinate represents a distance along the vertical plane up or down from the origin, just like in real-world altitude values. A distance up from the origin is represented by a positive Y value, (+Y). A distance down from the origin is represented by a negative Y value, (-Y).