---
title: Casualties Unknown Mods: Multiplayer, Skins, Install Guide
description: How to install BepInEx, play co-op, change skins, use console commands and pick the best mods.
url: https://casualtieswiki.wiki/mods/
---

Mods

# Casualties Unknown mod guides
The game has no official co-op or Workshop, so mods fill the gap. Most were built for the demo, so check each page for full-release notes before you install.

## Where to start
Install the loader first, then add co-op or skins.

- [How to install mods](https://casualtieswiki.wiki/mods/how-to-install-mods/)Unzip BepInEx into the game folder

- [Multiplayer](https://casualtieswiki.wiki/mods/multiplayer/)Only available as a mod

- [Best mods](https://casualtieswiki.wiki/mods/best-mods/)544 mods on Nexus

## Every Casualties Unknown mod guide

- [list Best mods The most downloaded mods, what each one changes and how to combine them. 544 mods on Nexus QoL Unknown keeps the rules intact Add one mod at a time](https://casualtieswiki.wiki/mods/best-mods/)

- [guide How to install mods Step-by-step BepInEx setup for Windows, Linux and Steam Deck, and why a mod might not load. Unzip BepInEx into the game folder Mods go in BepInEx/plugins No Steam Workshop](https://casualtieswiki.wiki/mods/how-to-install-mods/)

- [guide Multiplayer How to install the Casualties Together co-op mod, what it changes and why friends cannot join. Only available as a mod Sleeping is off in co-op Everyone needs the same version](https://casualtieswiki.wiki/mods/multiplayer/)

- [guide Skins Which skin mod to use, how to install skins and how they sync in multiplayer. Numbered CustomSprites folders Press the numpad to switch Host needs the mod too](https://casualtieswiki.wiki/mods/skins/)

- [list Console commands How to open the console, which commands are confirmed, and menu mods that replace typing. Open with the backtick key Type help for a list Test on a throwaway run](https://casualtieswiki.wiki/mods/console-commands/)

## Mods questions players ask
Does Casualties Unknown have multiplayer? Not officially. The Casualties Together mod adds co-op through Steam lobbies. [Details →](https://casualtieswiki.wiki/mods/multiplayer/)

How do you install mods? Unzip BepInEx 5 x64 into the game folder, run the game once, then put the mod in BepInEx/plugins. [Details →](https://casualtieswiki.wiki/mods/how-to-install-mods/)

What are the best mods? Casualties Together, CUCoreLib, QoL Unknown and Prosthetics lead the Nexus download list. [Details →](https://casualtieswiki.wiki/mods/best-mods/)

How do you change your skin? Install a sprite replacer, put a skin in a numbered CustomSprites folder, and press the matching numpad key. [Details →](https://casualtieswiki.wiki/mods/skins/)

How do you open the console? Players report the backtick key. Type help to see the commands in your build. [Details →](https://casualtieswiki.wiki/mods/console-commands/)

Is there Steam Workshop support? No. Mods are installed by hand, mainly from Nexus Mods. [Details →](https://casualtieswiki.wiki/mods/how-to-install-mods/)

Other sections: [Survival](https://casualtieswiki.wiki/survival/) · [Health](https://casualtieswiki.wiki/health/) · [Items](https://casualtieswiki.wiki/items/) · [Layers](https://casualtieswiki.wiki/layers/) · [Characters](https://casualtieswiki.wiki/characters/) · [Game info](https://casualtieswiki.wiki/game/) · [Updates](https://casualtieswiki.wiki/update/)