Haunted Halls: Green Hills Sanitarium is a hidden object mystery game where players go on an adventure. Players assume the role of a girl who has a boyfriend that has gone missing in Green Hills Sanitarium while doing an investigation on his own. The game takes players to different locations from the asylum gates up to the depths of the facility. Some of the items that can be found in the locations can be collected and kept in the player’s inventory that can be seen on the bottom part of the window. There are also places where players are tasked to look for a list of items on the bottom of the screen. Items found are crossed out from the list. When players are stuck, the hint button shows the location of an item. Users can also open their notebook by clicking on the “Notes” button on the bottom left part of the window. As players go deeper into the asylum, more of the story is revealed.
Other features of the Haunted Halls: Green Hills Sanitarium game are the following:
• Interesting gameplay and storyline
• Comes with other puzzles aside from hidden object games
• Different locations to visit
• Has soundtrack that sets the theme of the game