Hi! I wish I could help you but I guess the game doesn't have any controller/joystick compability. And I sadly cannot update it since I've lost the project files.
Hey! So the model has two separate materials, one for the body and one for the visor. In your case, for Unity, you can adjust the alpha value on the albedo map and also set the rendering mode to transparent/fade.
Hey thanks for your feedback! I apologize for the rushed ending of the game, I made this game as a part of an experimental project to learn about game development.