Looking for alternatives to the term "chamber of horrors"? Some possibilities might include "nightmare room," "chamber of terrors," "room of dread," "den of fear," or "hallway of scares." Each of these phrases provides a similar sense of terror or unease, but with different nuances or connotations that might suit your specific needs. For example, "nightmare room" might suggest a particularly frightening dreamlike space, while "den of fear" could evoke a more animalistic or primal response. Whatever term you choose, just make sure it accurately reflects the horror and terror you're trying to convey.