(Image credit: Future) If you miss the old magazine cover-mounted demo disks of yore, the dominant channel for discovering new apps and games before the broadband internet age, be assured that many of these artifacts are preserved on the Internet Archive. Earlier today, our sister site PC Gamer revealed that there is now a treasure trove of its cover disks (floppies, CDs, and DVDs) archived and ready to enjoy. PC Gamer’s headline highlights the 758 cover disks on the Internet Archive, but there are actually even more gems to be found. Our search uncovered over 1,500 PC Gamer software archives, thanks to a trove of floppy disk offerings from yesteryear. The total collection spans 1.2TB of material, according to the site. Article continues below (Image credit: Future) While rooting through the Internet Archive’s similar collections, I was also happy to find a bounty of PC Format disks of various eras, ST Format disks, CU Amiga disks, and Computer Shopper disks.…