Downloading Haunted Manor: Queen of Death 2.0 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. This software for Mac OS X is a product of Top Evidence Studio. The software is included in Games.
From the developer:
Dive into Haunted Manor: Queen of Death and save your sister before it’s too late! Find a powerful amulet to stop an ancient evil in this amazing Hidden Object Puzzle Adventure game. After receiving a mysterious letter, you return home to find that your family has been murdered. The only survivor is your sister, Stella, who now needs you to save her! Concoct a powerful elixir to save Stella and then confront the Queen of Death!
You may want to check out more software for Mac, such as Haunted Manor - Queen of Death CE, Haunted Manor: Painted Beauties or Haunted Manor - Lord of Mirrors, which might be similar to Haunted Manor: Queen of Death.