How do I install Bad Client?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Bad Client work with?

The listing gives Minecraft 1.21.1. This is the version stated by the author or source site, not something we verified ourselves.

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Bad Client

by S-Robot_Studio · on Modrinth

⬇ Download on Modrinth

Open in MC Java Mods Get it on Google Play →

Bad client is a Minecraft client that focuses on making Minecraft unplayable while remaining completely client-side

This modpack is for content creators or people looking for an interesting gameplay experience

Our modpack adds:

Cursed shaders
Cursed resource packs
Custom menu
Basic optimalization mods
Premade options

Other projects

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

Verified by MCModsHub

Downloads as Bad Client 2.0.0.mrpack
Download size: 37 KB
Download link checked 22 Aug 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Modpacks for Java All Minecraft Java mods Java mods for 1.21