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Summary

Amidst centuries-long space conflict between Alliance of Free Planets and Neo-Terran Confederacy, allied cruiser FSS "Isis" is sent on a mission that could turn the tides of war. However, among it's crew, there's one officer that wants to pursue his own devious plan... Isis: The Fall is a visual novel in which you follow one man's quest for revenge. Seven powerful female crew members of "Isis" are ripe for conquest; can you bring them to fall and save your homeland from another defeat? [From Itch.io]

Saint Dorei Onna Kyoushi
Saint Dorei Onna Kyoushi
NAN%
Tags
  • Nun Heroine
  • Rapist Protagonist
  • Twin Sisters as Heroines
  • School
  • Teacher Heroine
Rating 6.9139 Users
Oba Ana ~Overhaul~
Oba Ana ~Overhaul~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Reverse Netorare
  • Rape with Blackmail
  • Office Lady Heroine
Rating 6.2920 Users
Niizuma Ikasete Milk! Danchizuma, Hirusagari no Kahanshin Jijou
Niizuma Ikasete Milk! Danchizuma, Hirusagari no Kahanshin Jijou
NAN%
Tags
  • Salesman Protagonist
  • Masturbation Involving Food
  • Sexual Devices
  • Dildos
  • Smoker Protagonist
Rating 7.3033 Users
12 Hours to Die
12 Hours to Die
NAN%
Tags
  • Puzzle Game
  • Cheat Codes
  • Battle Royale
  • Battle of Wits
  • Optional Gameplay
Rating 5.3428 Users
Akaruku Tanoshii Saimin Gakuen ~Ero Kousoku o Ippai Tsukuttara Chou Riajuu ni Nareta!~
Akaruku Tanoshii Saimin Gakuen ~Ero Kousoku o Ippai Tsukuttara Chou Riajuu ni Nareta!~
NAN%
Tags
  • Mind Control
  • Erotic Mind Control
  • Heroine with Sport Bloomers
  • Spontaneous Sex Scenes
  • Idol Heroine
Rating 6.5136 Users
Jutaijima "Doushite Anta Mitai na Busao ni Tanezuke Sarenakya Ikenai no yo?!"
Jutaijima "Doushite Anta Mitai na Busao ni Tanezuke Sarenakya Ikenai no yo?!"
NAN%
Tags
  • Hate Sex (Consensual)
  • Anal Rape
  • Sex Under the Necessity
  • Stranded
  • Ugly Protagonist
Rating 7.45139 Users
Lewd Town Adventures
Lewd Town Adventures
NAN%
Tags
  • Sandbox
  • Protagonist's Older Sister as a Heroine
  • Prostitute Heroine
  • Anime-looking 3D
  • Programmer Protagonist
Rating 6.1629 Users
Koruneo no Yabou
Koruneo no Yabou
NAN%
Tags
  • Final Fantasy
  • Unavoidable Netorare
  • Sex Involving Prostitution
  • Non-penetrative Sex
  • Fan-fiction
Rating 7.2826 Users
My New Family
My New Family
NAN%
Tags
  • Blood-related Grandmother/Grandson Incest
  • Aunt/Nephew Incest
  • Blood-related Cousin Incest
  • Mother/Son Incest
  • Mother/Son Romance
Rating 6.2829 Users
My Real Desire
My Real Desire
NAN%
Tags
  • Share House
  • Spy Protagonist
  • Emotionless Protagonist
  • Programmer Heroine
  • Protagonist with Tattoo
Rating 7.0032 Users
Elf o Kau Orc "Omee nya Ora no Ko o Taanto Unde Morau Da yo!"
Elf o Kau Orc "Omee nya Ora no Ko o Taanto Unde Morau Da yo!"
NAN%
Tags
  • Elves
  • Orcs
  • Elf Heroine
  • Sexual Slavery (Choukyou Variation)
  • Bred by Monsters
Rating 6.5627 Users
Cara the Blood Lord
Cara the Blood Lord
NAN%
Tags
  • Rape Involving Drugs
  • Uncle/Niece Incest
  • Vampire Hunter Heroine
  • Vampire Heroine
  • Combat with Exotic Weapons
Rating 7.25239 Users
Koromogawari
Koromogawari
NAN%
Tags
  • Anal Object Insertion
  • Defloration by Others
  • Slice of Life Drama
  • Sexual Corruption
  • Non-sexual Cosplay
Rating 6.6127 Users
Seiso na JK ni Biyaku Mamire no Chi*po o Soku Hame Shitara Ore no Seieki Benki ni Natta!
Seiso na JK ni Biyaku Mamire no Chi*po o Soku Hame Shitara Ore no Seieki Benki ni Natta!
NAN%
Tags
  • Sex Involving Drugs
  • Excessive Semen
  • Protagonist's Cousin as a Heroine
  • Tribadism on Penis
  • Unavoidable Heroine Rape
Rating 6.3521 Users
Kousoku Seiki Palace Athena
Kousoku Seiki Palace Athena
NAN%
Tags
  • Falling to Evil (sexual)
  • Interdimensional Organization
  • Multiple Penises
  • Public Use (Choukyou or Non-Consensual)
  • Pillory Sex
Rating 6.9557 Users
Hidamari no Kioku
Hidamari no Kioku
NAN%
Tags
  • Bimbofication
  • Hikikomori Protagonist
  • Unavoidable Netorare
  • Netorare Type A
  • Defloration by Others
Rating 7.0359 Users
Mei no Bitch-ka ga Yurusenai!
Mei no Bitch-ka ga Yurusenai!
NAN%
Tags
  • Uncle/Niece Incest
  • Gyaru Heroine
  • Protagonist's Niece as a Heroine
  • No Voice Replay
  • Heroine with Zettai Ryouiki
Rating 6.7123 Users
Kimi no Omoi
Kimi no Omoi
NAN%
Tags
  • Netorare Type A
  • Masturbation Involving Food
  • Unavoidable Netorare
  • Defloration by Others
  • No Common Sense Heroine
Rating 7.1238 Users
Elfen King
Elfen King
NAN%
Tags
  • Royal Heroine
  • Elf Heroine
  • Sexual Slavery (Choukyou Variation)
  • Gang Bang
  • Dark Skinned Heroine
Rating 6.5574 Users
Jikage Rising
Jikage Rising
NAN%
Tags
  • Naruto
  • Shinobi
  • Ninja Protagonist
  • Combat with Bladed Weapons
  • Unavoidable Heroine Rape by the Protagonist
Rating 6.0426 Users
Jiyuujizai ni Ero Saimin ~DameDame no Ore demo Bishoujo Taimashi to Yarimakuri!~
Jiyuujizai ni Ero Saimin ~DameDame no Ore demo Bishoujo Taimashi to Yarimakuri!~
NAN%
Tags
  • Possession
  • Extremely (un)Lucky Protagonist
  • Occult Club
  • Save Memo Function
  • Student Club Member Protagonist
Rating 5.8425 Users
Gakuen Sei Senshi Sailor Knight ~Seigi no Heroine Kanzen Seifuku Manual~
Gakuen Sei Senshi Sailor Knight ~Seigi no Heroine Kanzen Seifuku Manual~
NAN%
Tags
  • Transformation Sequence(s)
  • Falling to Evil (sexual)
  • Superheroine
  • Masochist Heroine
  • Mahou Shoujo Heroine
Rating 6.9626 Users
Aitsu ni Choukyou Sareru to Do M na Watashi wa Kanjichau
Aitsu ni Choukyou Sareru to Do M na Watashi wa Kanjichau
NAN%
Tags
  • Masochist Heroine
  • Heroine Sisters
  • Single Hole Multiple Objects Insertion (obsolete)
  • Full Chastity Belt
  • Anal Fisting
Rating 6.9125 Users
Ravager
Ravager
NAN%
Tags
  • Dragon Protagonist
  • In-game Sexual Content Toggle
  • Merchant Heroine
  • Non-human Protagonist
  • Sex with Monster Girls
Rating 6.7670 Users
Through Spacetime
Through Spacetime
23%
Tags
  • Future
  • Pilot Heroine
  • Engineer Heroine
  • Short Sexual Scenes
  • Only Event CGs
Rating 6.2922 Users
Netorare Kanojo ~Gifu no Nikubou o Kuwaekomu, Ai Suru Ore no Kanojo~
Netorare Kanojo ~Gifu no Nikubou o Kuwaekomu, Ai Suru Ore no Kanojo~
18%
Tags
  • Non-blood-related Father/Daughter Incest
  • Netorare Type B
  • Central Heroine
  • Defloration by Others
  • Netorare
Rating 5.7130 Users
Seiso na JK ni Biyaku Mamire no Chi*po o Soku Hame Shitara Ore no Seieki Benki ni Natta!
Seiso na JK ni Biyaku Mamire no Chi*po o Soku Hame Shitara Ore no Seieki Benki ni Natta!
17%
Tags
  • Sex Involving Drugs
  • Excessive Semen
  • Protagonist's Cousin as a Heroine
  • Tribadism on Penis
  • Unavoidable Heroine Rape
Rating 6.3521 Users
Koromogawari
Koromogawari
17%
Tags
  • Anal Object Insertion
  • Defloration by Others
  • Slice of Life Drama
  • Sexual Corruption
  • Non-sexual Cosplay
Rating 6.6127 Users
Cara the Blood Lord
Cara the Blood Lord
17%
Tags
  • Rape Involving Drugs
  • Uncle/Niece Incest
  • Vampire Hunter Heroine
  • Vampire Heroine
  • Combat with Exotic Weapons
Rating 7.25239 Users
My Real Desire
My Real Desire
16%
Tags
  • Share House
  • Spy Protagonist
  • Emotionless Protagonist
  • Programmer Heroine
  • Protagonist with Tattoo
Rating 7.0032 Users
Elf o Kau Orc "Omee nya Ora no Ko o Taanto Unde Morau Da yo!"
Elf o Kau Orc "Omee nya Ora no Ko o Taanto Unde Morau Da yo!"
16%
Tags
  • Elves
  • Orcs
  • Elf Heroine
  • Sexual Slavery (Choukyou Variation)
  • Bred by Monsters
Rating 6.5627 Users
Koruneo no Yabou
Koruneo no Yabou
16%
Tags
  • Final Fantasy
  • Unavoidable Netorare
  • Sex Involving Prostitution
  • Non-penetrative Sex
  • Fan-fiction
Rating 7.2826 Users
My New Family
My New Family
15%
Tags
  • Blood-related Grandmother/Grandson Incest
  • Aunt/Nephew Incest
  • Blood-related Cousin Incest
  • Mother/Son Incest
  • Mother/Son Romance
Rating 6.2829 Users
Hidamari no Kioku
Hidamari no Kioku
15%
Tags
  • Bimbofication
  • Hikikomori Protagonist
  • Unavoidable Netorare
  • Netorare Type A
  • Defloration by Others
Rating 7.0359 Users
Kimi no Omoi
Kimi no Omoi
15%
Tags
  • Netorare Type A
  • Masturbation Involving Food
  • Unavoidable Netorare
  • Defloration by Others
  • No Common Sense Heroine
Rating 7.1238 Users
Jikage Rising
Jikage Rising
15%
Tags
  • Naruto
  • Shinobi
  • Ninja Protagonist
  • Combat with Bladed Weapons
  • Unavoidable Heroine Rape by the Protagonist
Rating 6.0426 Users
Gakuen Sei Senshi Sailor Knight ~Seigi no Heroine Kanzen Seifuku Manual~
Gakuen Sei Senshi Sailor Knight ~Seigi no Heroine Kanzen Seifuku Manual~
14%
Tags
  • Transformation Sequence(s)
  • Falling to Evil (sexual)
  • Superheroine
  • Masochist Heroine
  • Mahou Shoujo Heroine
Rating 6.9626 Users
Ravager
Ravager
14%
Tags
  • Dragon Protagonist
  • In-game Sexual Content Toggle
  • Merchant Heroine
  • Non-human Protagonist
  • Sex with Monster Girls
Rating 6.7670 Users
Eigyoubu Dai 4 Ka Mesubuta Choukyou Shiiku Gakari
Eigyoubu Dai 4 Ka Mesubuta Choukyou Shiiku Gakari
14%
Tags
  • Sexual Slavery (Choukyou Variation)
  • Ugly Protagonist
  • Chubby Protagonist
  • Protagonist's Boss as a Heroine
  • Skip Scenes
Rating 6.6833 Users
Corrupted Kingdoms
Corrupted Kingdoms
14%
Tags
  • Urban Fantasy
  • Fairies
  • Anime-looking 3D
  • Terrorized by Monsters
  • Mind Control
Rating 6.8984 Users
Inraku Counseling ~Otto no Me no Mae de, Tsuma wa Honshou ni Ochiteyuku~
Inraku Counseling ~Otto no Me no Mae de, Tsuma wa Honshou ni Ochiteyuku~
14%
Tags
  • Netori
  • Medical Doctor Protagonist
  • Remote-controlled Vibrator
  • Urination Fetish
  • Piledriver
Rating 5.3844 Users
Solvalley School
Solvalley School
13%
Tags
  • Promiscuous Protagonist
  • Masturbation with Water
  • Snowballing
  • Optional Gameplay
  • Protagonist with Glasses
Rating 6.3634 Users
Chikan Sen
Chikan Sen'you Sharyou 2 ~Houfuku no Chijoku Densha~
13%
Tags
  • Chikan Protagonist
  • Sexual Slavery (Choukyou Variation)
  • Bunnygirl Cosplay
  • Armpit Licking
  • Prostitution
Rating 6.7037 Users
Kouyoku Senki ExS-Tia 2
Kouyoku Senki ExS-Tia 2
13%
Tags
  • Skippable Gameplay
  • Sex Under the Necessity
  • Living Clothes Sex
  • Magic/ESP Combat
  • Organised Corruption
Rating 7.2348 Users
Kenka Saikyou Tsuma ga Masaka no Haiboku! Mesu Inu Choukyou!!
Kenka Saikyou Tsuma ga Masaka no Haiboku! Mesu Inu Choukyou!!
13%
Tags
  • Gang
  • Netorare Type B
  • Male Protagonist for a Short Time
  • Flat Tints Only
  • Protagonist in Relationship
Rating 7.2223 Users
Kouyoku Senki ExS-Tia 3
Kouyoku Senki ExS-Tia 3
12%
Tags
  • Rape by Others
  • Transformation Sequence(s)
  • Only Avoidable Heroine Having Sex with Others
  • Completely Avoidable Heroine Rape
  • Avoidable Netorare (obsolete)
Rating 8.0743 Users
Osananajimi o Ushinatta Natsu...
Osananajimi o Ushinatta Natsu...
12%
Tags
  • Rape by Possession
  • Delinquent Hero
  • Summer
  • Netorare
  • Vaginal + Anal Tentacle Penetration
Rating 6.6025 Users
TS Mahou Shoujo Saint Cherry - Kuppuku no Akuochi Sennou Choukyou Hen
TS Mahou Shoujo Saint Cherry - Kuppuku no Akuochi Sennou Choukyou Hen
12%
Tags
  • Mahou Shoujo Protagonist
  • Genderbent Sex
  • Protagonist with Big Breasts
  • Falling to Evil (sexual)
  • Skin Color Selection
Rating 7.2022 Users

Isis: The Fall has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.

Tags (44 total)

NameScoreImportanceWeight
Officer Heroine3.002.758.26
Arrogant Protagonist3.002.517.52
Falling to Evil (sexual)3.002.326.95
Spy Protagonist2.502.576.42
Spelling Errors3.002.116.33
Combat with Laser and Beam Firearms2.003.086.16
Inventor Protagonist2.003.086.16
Major Antagonist3.002.056.14
Starship Combat2.003.006.01
Hacker Protagonist2.002.905.81
Officer Protagonist2.002.835.66
Tactician Heroine2.002.825.64
Erotic Mind Control3.001.835.50
Spaceship2.502.195.47
Villainous Protagonist3.001.785.35
Genius Heroine3.001.775.30
Extremely (un)Lucky Protagonist2.002.605.20
Heroine with Slave Tattoo (BDSM)2.002.555.11
Leader Heroine2.002.555.10
Future Setting in a Fictional World2.002.464.93
Ugly Protagonist2.002.364.71
Sexual Slavery (Choukyou Variation)2.501.884.71
Realistic-looking 3D3.001.504.51
Medical Doctor Heroine2.002.124.23
Peace Sign Ahegao2.002.024.03
Pregnancy Ending2.002.004.01
Breast Expansion2.001.973.93
Pre-rendered 3D Graphics3.001.303.91
War2.001.933.86
Princess Heroine2.001.763.52
Revenge2.001.703.40
Naked Sprites3.001.053.15
Dark Skinned Heroine2.001.502.99
Married Heroine2.001.422.84
Linear Plot2.001.382.75
Netori1.501.592.39
Few Choices1.501.331.99
Heroine with Big Breasts2.000.841.68
Threesome1.001.601.60
Nukige2.000.651.30
Nameable Protagonist1.000.910.91
Multiple Endings1.000.670.67
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (16 total)

NameCharactersImportanceWeight
Falling to Evil (sexual) Subject of13.502.42
Bimbofication Subject of13.322.30
Medical Doctor Role12.091.45
Sexual Slavery (Choukyou Variation) Subject of (Sexual)11.991.38
Tanned Body11.901.32
Blue Hair21.191.31
Beard Hair11.891.31
Tattoo Body11.801.25
Glasses Clothes21.081.19
Cowgirl Engages in (Sexual)11.711.19
Blond Hair20.890.98
Grey Hair11.380.96
Pink Hair11.330.92
Violet Hair11.190.83
Ponytail Hair11.100.76
Black Hair10.800.56