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Underworld Island
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Underworld Island is a Full Motion Video (FMV) horror thriller interactive story game. Discover the truth about the Samsara on the Underworld Island. You must make the right choice every step of the way to save your daughterh. The game is developped and published by Mountain & Sea Studio.
Mac · Dec 1, 2022
Worldwide · Exact date · Early access · IGDB
PC (Microsoft Windows) · Dec 1, 2022
Worldwide · Exact date · Early access · IGDB
Mac · Jan 20, 2023
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Jan 20, 2023
Worldwide · Exact date · Full release · IGDB
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64 achievements available.
Choose a wise personality
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To hear all the wind-bells jingle
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Unlock the main storyline
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The second floor of the clinic
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To go straight into the corridor
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Unlock the main storyline
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Choose a straightforward personality
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Unlock the main storyline
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To check the second chapter of the pictures
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To stop the car
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To make three major mistakes in a row
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To move the cabinet all by yourself successfully
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To hear the strange sound
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Choose a Resourceful personality
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Unlock the main storyline
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Two people came to help you
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Unlock the main storyline
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Unlock the main storyline
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Try to get out three times
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Try to get out more than three times
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Try to get out many times
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To let go your obesssions
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To check the third chapter of the pictures
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High friendliness with her
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Low friendliness with her
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Unlock the main storyline
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To be beaten to death by a club three times
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Unable to choose
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To check the first chapter of the pictures
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To be stabbed to death by her
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Unlock the main storyline
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Satisfactory Value to minimum
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Satisfactory Value to maximum
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Bad ending
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To be stuck in the samsara
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Happy ending
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To make peace with the past
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Having a good relationship with your daughter
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Having a extremely good relationship with your daughter
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The stats of mysticism is max
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A tendency of science
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A tendency of mysticism
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Believing in science the most
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To complete the exploration of the entire map once
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To complete the exploration of the entire map three times
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To complete the exploration of the entire map five times
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To complete the exploration of the entire map seven times
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To complete the exploration of the entire map nine times
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To explore the whole map completely
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It can be found in the living room in Chapter 1
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It can be found in the clinic in Chapter 1
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It can be found in the living room in Chapter 2
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It can be found in the clinic in Chapter 2
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It can be found on the beach in Chapter 2
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It can be found in the cabin in the woods in Chapter 2
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It can be found in the living room in Chapter 3
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It can be found next to the car in Chapter 3
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When you receive a special call in Chapter 3
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Unlocked the door, the Radio and all his stories
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No more obsession
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The fog pours in
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Leave without hesitation
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Find all the clues for these 3 scenes
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Asking three times in a row
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Community notes
