The game 'Slain Back From Hell Linux GOG edition'
Download it from
https://drive.google.com/file/d/1wzX5_VRRChHIgvQhs9Fz-vUniht0pxXv/view?usp=sharing
Just make this script executable with cmod +x THE_GAME.sh and install it anywhere you like. It's hardcore 3rd person game.