Terror Lurks in the Deep…

It may look like sparkly bubbles and seashells on the surface, but in this Mermaid Haunted House online game, you get to experience a spookier side of the sea. The scene starts innocently enough with three beautiful mermaids sitting in their underwater house, but thanks to your help, it gets real scary, real fast! Find the spookiest decorations you can and set them up around the house. If you think that jack-o-lantern is scary now, wait until you see what it can do!

Only the Bravest Souls Enter the Mermaid Haunted House

Our favorite part about this free unblocked game is that it’s super interactive and fun to play. Not only do you get to set up the scariest decorations, but you can make them give these nautical princesses a terrible fright! We won’t say exactly how, but just know that decorating is step one and terrifying is step two. Swim your way down to the Mermaid Haunted House, if you dare.