Zenless Zone Zero: Wiki

Signal Search is the gacha system in ZZZ. which allows players to obtain new Agents, Bangboos, and weapons, such as W-Engines.

New Eridu is the last city standing in the post-apocalyptic world of ZZZ, where civilization was destroyed by the "Hollows". It prospers by using Hollow resources, but commercial exploitation has sparked conflicts among corporations, gangs, and other factions.