#need to enable i386 arch
sudo dpkg --add-architecture i386
sudo apt update
sudo apt install 
sudo apt install pcsx2

#you need to install your proper video drivers in i386
#this might help - look for installed drivers and then install the i386 versions
aptitude search "~dlibGL"
#for me it's
sudo apt install libglx-nvidia-legacy-390xx0:i386

#You need to get playstation Bios (Just Google Playstation 2 Bios)
#unzip them to ~/.config/PCSX2/bios
unzip ps2_bios.zip

#run it
PCSX2