Games like Charlie in Underworld!

Here are some great alternatives to Charlie in Underworld! by Buff Studio Co.,Ltd. :
Supernatural Nightlife: Otome
Supernatural Nightlife: Otome
★4.7
Mystery Tales: Til Death
Mystery Tales: Til Death
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Mystery Tales 13 f2p
Mystery Tales 13 f2p
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Ghost Detector - Ghost Finder
Ghost Detector - Ghost Finder
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Seul (Alone) The entrée - CYOA
Seul (Alone) The entrée - CYOA
★4.2
Mysterious Forum and 7 Rumors
Mysterious Forum and 7 Rumors
★4.4
The Letter - Horror Novel Game
The Letter - Horror Novel Game
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Mansion. Text Adventure
Mansion. Text Adventure
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Alexandra - Scary Stories Chat
Alexandra - Scary Stories Chat
★4.2
Scary Ghosts - Horror Game
Scary Ghosts - Horror Game
★4.2
Mystery Tales 6 f2p
Mystery Tales 6 f2p
★3.9
AyeVee: Interactive Stories
AyeVee: Interactive Stories
★4.0
Ghost In The Mirror
Ghost In The Mirror
★4.7
G30 - A Memory Maze (Demo)
G30 - A Memory Maze (Demo)
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Horror Escape : Dusky Moon
Horror Escape : Dusky Moon
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Mystery Tales: House Of Others
Mystery Tales: House Of Others
★4.4