It’s definitely more convoluted, but uBlock Origin can also selectively block pretty much anything, really. That being said, whatever tool you use, blocking any third party stuff per default is always a good start, to see how well any given site can work without it. Tells you a lot already
Hell, Lutris can even set up the original 1989 Sim City for you. Seeing that game on modern display sizes and resolutions is quite something