Also known as: ソ二ヤ
Sogna (Italian for "It Dreams") was an erotic Video Game producer from 1990 to 2003.
Game series (incomplete):
- Animahjong
- Animahjong V3
- Animahjong X
- Viper (Series)
- Viper V6
- Viper V8
- Viper V10
- Viper GTS
- Viper V12
- Viper V16
- Viper BTR
- Viper CTR
- Viper F40
- Viper M1
- Viper Island Vol.1-6
- Viper F50
- Viper GTB
- Viper Paradice/Viper Langerie Black, Viper Purple and Viper Red
- Viper GT1
- Typing ViperViper Typing
- Viper M5
- Viper RSR
- Viper M3
- Viper V6R
- Viper V8R