My Ultimate Doom megawad "Deathless" was mapped in nine days, starting midnight November 1st and with the final map being thingplaced/playtested November 10th around the same time. In this topic I will attempt to recall in as much detail as possible how I attained that.   Disclaimer: Working on a single project to the exclusion of literally everything else in one's life may have worked for me, but it is absolutely not something I would recommend. You risk health issues and creative bur