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How to install Unity3D on Ubuntu based Linux distros (Kubuntu, Xubuntu, POP_OS, Mint, Neon, Zorin, etc.).

This guide details how to install UnityHub, Unity, VS Code and how to get full C# support with IntelliSense and debugging.

Tested on Kubuntu 22.04.

Installing Unity Hub

Unity Hub won't run on Ubuntu newer than 20.04 because it depends on an outdated libssl. We need to manually install the package from 20.04:

mattdesl

import java.nio.ByteBuffer;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.graphics.Pixmap.Blending;
import com.badlogic.gdx.graphics.Pixmap.Format;
import com.badlogic.gdx.utils.BufferUtils;
import com.badlogic.gdx.utils.GdxRuntimeException;

twyatt

-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontpreverify
-verbose
-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*

-renamesourcefileattribute SourceFile
-keepattributes SourceFile,LineNumberTable