Nitemare-3D is a horror-themed first-person shooter and a sequel to the adventure game Hugo III: Jungle of Doom. Hugo's girlfriend Penelope is kidnapped by the nefarious Dr. Hamerstein, who intends to conduct terrifying experiments on her. Hugo has to explore the Doctor's twisted mansion, travel through underground caverns, and eventually face the villain himself and rescue his sweetheart. The gameplay …

Nitemare 3D follows the story of Hugo, from the Hugo trilogy, a series of graphic adventure PC games consisting of Hugo's House of Horrors, Hugo II, Whodunit?, and Hugo III, Jungle of Doom!. Penelope, Hugo's girlfriend, has been kidnapped by the evil Dr. Hammerstein for use in heinous experiments. Hugo must battle through Hammerstein's bizarre mansion, underground caverns complete with …