Munchkin Zombies 3: Hideous Hideouts is a "Dungeon" expansion for Munchkin Zombies that's similar in nature to Munchkin 6: Demented Dungeons and Munchkin Cthulhu 4: Crazed Caverns. It comes with 16 standard-sized Portal cards such as "Breach the Perimeter" and "Walking in Circles" and 20 double-sized Dungeon cards (e.g., "Fort Deadly", "The Creepy Isolated Cabin of the Dead", and "ResurrectiCon") that warp the current rules.