Quartus 18.1
Installing old versions of Quartus on Linux can be a serious pain depending on how up to date your distro is. For rolling release distros like Arch, or any recent version of Ubuntu, Quartus 18.1 (specifically ModelSim) will not work without some tinkering.
Fortunately, a fellow ECE student made an excellent article detailing how to install 18.1 on Arch Linux. Read more about it here