Install Unity to Linux on ChromeOS
Install
libarchive
to install unity
sudo apt install libarchive13
Install
libglu1-mesa-dev
to launch unity
sudo apt install libglu1-mesa-dev
Download Unity file from this thread
https://forum.unity.com/threads/unity-on-linux-release-notes-and-known-issues.350256/
chmod +x [Downloaded file]
./[Downloaded file]