Standalone installers are the only acceptable solution, any middleman, no matter how many promises they make, will eventually do something you don't like and br

Standalone installers are the only acceptable solution, any middleman, no matter how many promises they make, will eventually do something you don't like and break your games. Any game, any software, made exclusively for systems that require some sort of activation before allowing access to the software you want to run, even if the software itself is DRM-free, means that software has a gatekeeper you'll eventually have an issue with.