It was an ordinary investigation about the strange occult cult, but something went wrong, and now you are locked inside the abandoned mansion filled with horrifying undead creatures! Solve the most difficult case in your life and leave this haunted house safe and sound before sunrise playing Slender Behind - Monster Door game!

Be the private detective investigating strange events in the haunted house! Seek for keys, hide under beds and inside wardrobes or shower, lock doors to prevent incoming of walking dead! Zombies are not the only monster here – these damned cultists had summoned a demon from the depths of Hell!

Watch the mini map, track moves or your enemies and hide before they perform their deadly strikes!
No one can hear your scream here! Explore the lost and forgotten house and do your best to unravel all secrets of this cursed place! Earn points for your successful survival and unlock different boosters to ease your game! Watch your indicators carefully – it wouldn’t be ok if you’d be dead at a really inappropriate moment!

Do your best not to be caught by horrifying monsters! Face the darkest fears and have fun with Slender Behind - Monster Door!

Slender Behind - Monster Door features:
Enjoy our new horror game
Be a detective trying to find out what happens here
Beware the creepy creatures dwelling inside
Check various types of boosters to ease your game
Solve different puzzles and secrets

Emerge into the really horrifying atmosphere of darkness and dread playing this fantastically terrifying game - Slender Behind - Monster Door!


Sergey Zanin
107.9 MB

Requires iOS 8.1 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Infrequent/Mild Realistic Violence
Infrequent/Mild Cartoon or Fantasy Violence


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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