Packages compatible with Ubuntu and derivatives are available on the PPA.
You can add a repository using terminal to receive automatic updates:
sudo add-apt-repository ppa:lutris-team/lutris
sudo apt update
sudo apt install lutris
https://lutris.net/games/league-of-legends/
Click on install Standard (Launch Helper) version:
follow the instructions.
this league of legends game works like this.
Edited by Neoman