Sogna combined the best of both worlds in VIPER-M1: a modern, Windows-based interface and a set of three smaller games, reminiscent of the earlier V series titles. Super-heroine story My Mothers features cover girl Mika in her attempt to rescue a prospective boyfriend. Coming of age tale Green Boy follows Natane and her two older sisters as they welcome a strange young man into their home. The May Works focuses on a schoolgirl, Maki, as she flees from an alien invasion of her hometown. [From Sogna Digital Museum]
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| Name | Score | Importance | Weight |
|---|---|---|---|
| Comedy Rape | 2.75 | 2.50 | 6.88 |
| High Amount of Special Effects | 2.75 | 2.21 | 6.07 |
| Anthology | 3.00 | 1.96 | 5.89 |
| Slime Monster Rape | 2.50 | 2.09 | 5.23 |
| Interactive Movie | 2.00 | 2.60 | 5.20 |
| Superheroine | 2.00 | 2.57 | 5.13 |
| Flat Tints Only | 3.00 | 1.61 | 4.84 |
| Extraterrestrial | 2.00 | 2.28 | 4.56 |
| Monsters | 2.25 | 1.92 | 4.32 |
| Short Sexual Scenes | 2.00 | 1.83 | 3.65 |
| Mecha Combat | 1.33 | 2.48 | 3.30 |
| Mecha | 1.25 | 2.44 | 3.05 |
| Plants & Flowers | 1.25 | 2.41 | 3.01 |
| Game Over | 2.00 | 1.49 | 2.97 |
| Comedy | 2.50 | 1.11 | 2.77 |
| High Sexual Content | 2.50 | 1.05 | 2.63 |
| Villainous Heroine | 1.25 | 2.07 | 2.59 |
| Heroine with Eyepatch | 1.00 | 2.35 | 2.35 |
| Female Protagonist | 3.00 | 0.71 | 2.14 |
| Student Protagonist | 1.50 | 1.26 | 1.89 |
| Sexual Content | 2.67 | 0.63 | 1.68 |
| Heroine with Glasses | 1.50 | 1.11 | 1.67 |
| BDSM | 1.00 | 1.65 | 1.65 |
| Map Movement | 1.25 | 1.31 | 1.64 |
| Group Sex of One Male and Several Females | 1.67 | 0.92 | 1.53 |
| ADV | 2.00 | 0.15 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Power Armor Clothes | 2 | 3.21 | 3.53 |
| Extraterrestrial Role | 2 | 2.44 | 2.68 |
| Villain Role | 3 | 1.90 | 2.63 |
| Chain Weapon Items | 1 | 3.41 | 2.36 |
| Slime Role | 1 | 3.13 | 2.17 |
| Slave Owner Role | 1 | 3.08 | 2.13 |
| Rape Engages in (Sexual) | 2 | 1.82 | 1.99 |
| Sexual Slavery (Non-consensual) Subject of (Sexual) | 1 | 2.76 | 1.91 |
| Cowgirl Engages in (Sexual) | 2 | 1.72 | 1.89 |
| Facial Piercing Body | 1 | 2.72 | 1.88 |
| Turtleneck Tank Top Clothes | 1 | 2.71 | 1.88 |
| Grandfather Role | 1 | 2.62 | 1.82 |
| Avoidable Rape (obsolete) Subject of (Sexual) | 1 | 2.50 | 1.73 |
| Sleeveless Sweater Clothes | 1 | 2.48 | 1.72 |
| Older Sister Role | 2 | 1.56 | 1.71 |
| Balding Hair | 1 | 2.44 | 1.69 |
| Sleeveless Dress Clothes | 1 | 2.41 | 1.67 |
| Granddaughter Role | 1 | 2.39 | 1.66 |
| Green Hair | 2 | 1.48 | 1.62 |
| Blouse Clothes | 2 | 1.47 | 1.61 |
| Scientist Role | 1 | 2.28 | 1.58 |
| Eyepatch Clothes | 1 | 2.24 | 1.56 |
| Odango Hair | 1 | 2.15 | 1.49 |
| Ahoge Hair | 2 | 1.32 | 1.45 |
| Shopkeeper Role | 1 | 2.09 | 1.45 |
| Cyan Hair | 1 | 2.03 | 1.41 |
| Beret Clothes | 1 | 1.99 | 1.38 |
| Overweight Body | 1 | 1.99 | 1.38 |
| Ribbon Tie Clothes | 2 | 1.25 | 1.37 |
| Tanned Body | 1 | 1.90 | 1.32 |
| Blue Hair | 2 | 1.19 | 1.31 |
| Blue Eyes | 4 | 0.80 | 1.29 |
| Twin Braids Hair | 1 | 1.86 | 1.29 |
| Hidden Eyes | 1 | 1.81 | 1.25 |
| Lab Coat Clothes | 1 | 1.80 | 1.25 |
| Hair Ribbon Clothes | 1 | 1.79 | 1.24 |
| Deredere Personality | 1 | 1.74 | 1.21 |
| Missionary Engages in (Sexual) | 1 | 1.74 | 1.21 |
| Teal Eyes | 1 | 1.73 | 1.20 |
| Glasses Clothes | 2 | 1.08 | 1.19 |
| Doggy Style Engages in (Sexual) | 1 | 1.69 | 1.17 |
| Intake Hair | 1 | 1.67 | 1.16 |
| Nail Polish Body | 1 | 1.63 | 1.13 |
| Spiky Bangs Hair | 2 | 1.00 | 1.10 |
| Rape Subject of (Sexual) | 1 | 1.56 | 1.08 |
| Orange Hair | 1 | 1.51 | 1.05 |
| Necklace Clothes | 1 | 1.50 | 1.04 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Teen Body | 4 | 0.62 | 1.00 |
| Earrings Clothes | 1 | 1.42 | 0.99 |
| Jacket Clothes | 1 | 1.42 | 0.98 |
| Masturbation Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Grey Hair | 1 | 1.38 | 0.96 |
| Tsurime Eyes | 1 | 1.38 | 0.96 |
| High School Student Role | 2 | 0.85 | 0.93 |
| Pink Hair | 1 | 1.33 | 0.92 |
| Fighting Engages in | 1 | 1.29 | 0.89 |
| Dress Clothes | 1 | 1.25 | 0.87 |
| Long Hair | 2 | 0.75 | 0.83 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Necktie Clothes | 1 | 1.11 | 0.77 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Green Eyes | 1 | 1.02 | 0.70 |
| Sidehair Hair | 1 | 0.98 | 0.68 |
| Short Hair | 2 | 0.61 | 0.67 |
| Doggy Style Subject of (Sexual) | 1 | 0.93 | 0.64 |
| Young-adult Body | 1 | 0.76 | 0.53 |
| School Uniform Clothes | 1 | 0.75 | 0.52 |