Zenless Zone Zero (ZZZ) Proxies, prepare for a major content drop! Version 2.3, titled “Memories of Dreams Bygone,” is now available for pre-download across all major platforms, allowing you to jump into the new update the moment maintenance ends on October 15, 2025.
You can use the Zenless Countdown website to know when the maintenance ends exactly for your region.
Pre-downloading the files is highly recommended to minimize wait times, but you’ll need to check your device’s free space first as the update sizes vary significantly.
ZZZ 2.3 Pre-Download File Sizes:
| Platform | Approximate Download Size |
| PC | |
| Mobile (Android/iOS) | |
| PlayStation 5 (PS5) | |
| Xbox Series X|S | ~22 GB |
Note: These sizes can vary slightly based on installed voice packs and existing game files.
See to the HoyoVerse official website for more information about the maintenance.
What’s New in Version 2.3?
The “Memories of Dreams Bygone” update is packed with content, focusing heavily on the mysterious Spook Shack faction and introducing a spooky, Halloween-themed narrative.
- New Agents: Two new S-Rank Agents, Lucia and Yidhari, along with a new A-Rank Agent, Komano Manato (who can be obtained for free via an event).
- New Story Chapter: Dive into the main quest, “Memories of Dreams Bygone,” which further expands the world of New Eridu.
- New Events & Modes: Including the challenging new Threshold Simulation mode and the unique, monster-commanding When Dreams Remain Unfinished event.
- Character Buff: Soldier 0 – Anby receives performance enhancements and combat mechanic refinements.
Want to get Monochrome for Lucia or Vivian? Visit LootBar and save up to 30%
Don’t miss out! Start your ZZZ 2.3 pre-download now to ensure you’re ready when the maintenance concludes on October 15!
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