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Documentation Index

Fetch the complete documentation index at: https://mintlify.com/CollapseLauncher/Collapse/llms.txt

Use this file to discover all available pages before exploring further.

Collapse Launcher is a feature-rich replacement for the official HoYoverse launcher, built for players who want more control over their games. It supports all four major HoYoverse titles across every server region, with powerful tools for installation, repair, and customization — all in one place.

Installation

Download and install Collapse Launcher on your Windows PC.

Quick Start

Set up your first game and start playing in minutes.

Using Collapse

Manage games, run repairs, update caches, and customize your experience.

Plugin Development

Build plugins to add support for games beyond the four official titles.

What Collapse can do

Multi-game & multi-region

Launch Honkai Impact 3rd, Genshin Impact, Honkai: Star Rail, and Zenless Zone Zero — from Global, Europe, Asia, SEA, or Bilibili CN — all within one launcher.

Fast differential downloads

The Sophon engine downloads only changed file chunks, and HDiffPatch delivers tiny delta patches for Honkai Impact 3rd updates.

Game file repair

Full integrity verification and automatic repair for every supported game. Fix missing or corrupted files without reinstalling.

In-launcher game settings

Edit graphics, resolution, and audio settings for any game directly in Collapse — no need to launch the game first.

Cache management

Pre-download game settings caches before patch day so the game starts instantly after an update.

Plugin system

Extend Collapse with community-built plugins that add support for any game outside the official four titles.

Supported games

GameRegionsGame SettingsRepairCache
Honkai Impact 3rdGlobal, SEA, Bilibili CNYesYesYes
Genshin ImpactGlobal, Bilibili CNYesYes
Honkai: Star RailGlobal, Bilibili CNYesYesYes
Zenless Zone ZeroGlobal, Bilibili CNYesYesYes
Community pluginsVariesPlugin-defined

Getting started

1

Download Collapse

Grab the latest installer from the GitHub Releases page, or install via WinGet: winget install CollapseLauncher.Collapse
2

Complete first-run setup

The out-of-box experience (OOBE) guides you through language selection, theme, and your preferred game region.
3

Install or locate your game

Point Collapse at an existing game installation, or use the built-in installer to download fresh. Sophon’s differential engine keeps future updates fast.
4

Play — and explore the extras

Launch your game from Collapse. Use Game Settings, Repair, and Cache tools from the sidebar whenever you need them.
Collapse Launcher is an unofficial, open-source project and is not affiliated with or endorsed by miHoYo/HoYoverse.

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