Call of Cthulhu: Shadow of the Comet is a 1993 Lovecraftian adventure game featuring both voice-acted CD-ROM and classic floppy versions optimized for modern systems, according to GOG.com . Players follow astronomer John T. Carter in 1910 Illsmouth as he investigates terrifying cosmic mysteries linked to a returning comet. Call of Cthulhu: Shadow of the Comet - GOG.com