Twisted is a free 45-level megawad for Heretic: Shadow of the Serpent Riders. The first, second, and third episodes are for single player (with 4 player cooperative support). The fourth and fifth episodes are for deathmatch (4 players maximum). Additional information is included inside of the "moreinfo" text file. Installation instructions: Step 1: Unzip the twisted.1.zip folder by right-clicking on it and choosing the "extract all" option. Step 2: Double-click on the unzipped twisted.1 folder. Copy and paste the twisted.wad file into your ZDoom folder. Step 3: Left-click on the twisted.wad file and move it over ZDoom.exe. Select Heretic: Shadow of the Serpent Riders (HERETIC.WAD) to play Twisted if you have more than one Doom engine game IWAD in your ZDoom folder. Twisted was created by Macabre Conversions. Total development time: July 23rd, 2015 - November 23rd, 2015.