: Using private servers is a direct violation of HoYoverse's Terms of Service and can result in a permanent ban of your official account. Instability
While the idea of a fully fixed, unlocked sandbox sandbox sounds appealing, running or joining a Zenless Zone Zero private server comes with massive caveats.
For 99.9% of players, attempting to use a private server will result in one of three outcomes: zenless zone zero private server fixed
Specific character bugs—like the Lycaon potential bug where Quick Assist wouldn’t trigger—have been resolved.
Some private servers allow developers to modify game files, adding custom skins or changing combat mechanics. The Reality: Risks and Dangers : Using private servers is a direct violation
Because these custom servers are hosted on independent repositories (like GitHub) or shared via Discord communities, malicious actors often bundle them with malware. Running unverified executable files or disabling your firewall to allow local hosting exposes your PC to credential stealers. No True Multiplayer
When building a private server, developers do not use the official server code—they do not have access to it. Instead, they write a custom server application from scratch (often in Java or Go) that intercepts the network packets sent by the official ZZZ game client and mimics the official responses. If the client asks, "Did this gacha pull succeed?" the private server must reply with a correctly formatted packet saying, "Yes, and you won an S-Rank Agent." Major Fixes That Made ZZZ Private Servers Viable Some private servers allow developers to modify game
, meaning they are not reliable for testing the true power of new agents like Nangong Yu for the HollowPS emulator or the latest Version 2.7 official patch Zenless Zone Zero Official Release FAQ - HoYoverse
: Support for later game versions (up to 2.3.1) has been added, including characters like that were previously missing. Custom Content : Some modded versions include custom TV-mode levels and challenges that do not exist in the official game. Progress Freedom
To understand how developers "fixed" Zenless Zone Zero private servers, it is essential to look at how Hoyoverse builds its games. ZZZ relies on a server-authoritative hybrid model.