Achtung! Cthulhu 2d20: Horrors of the Secret War by Modiphius Entertainment There are things... things that it were better mankind never knew about.  Achtung! Cthulhu already contains a huge variety of malign Mythos monstrosities, terrors and abominations but this new grimoire of terror expands on them even further. It also features a brand new section devoted … Continue reading (RPG PDF Spotlight) Achtung! Cthulhu 2d20: Horrors of the Secret War