Italo-Doom [Doom & Retro FPS Mods] created by Zachary Stephens (Ribbiks) and Daniel Jakobsson (dannebubinga), is a 20-map megawad for Doom II, released in January 2016. Built for Boom-compatible ports, it pushes the limits of challenge design, with its reputation firmly set as one of the most punishing WADs ever released. Known for slaughter-inspired gameplay, the set abandons conventional difficulty scaling, offering no toned-down settings and instead presenting relentless encounters from start

Simulacrum [Doom & Retro FPS Mods] is a 32-map megawad for Doom II in MBF21 format, created by muumi and myolden. Developed over 1.5 years, it was initially released in June 2024 and finalized in July on the idgames archive. The set starts with accessible maps and progressively increases in difficulty, culminating in large-scale challenge and slaughter encounters. The megawad features original graphics, textures, HUD elements, and a custom palette, with MIDI tracks by AD_79 and Korp. Additional