Vingt et un Systems Corporation (ヴァンテアンシステムズ株式会社) was established in November 1992. Notable games include: Zombie Virus, Splatter Master, and Action Bass.

Vingt et un Systems

Sega Ages 2500 Vol. 8: Virtua Racing FlatOut

Zombie Virus

Hanayaka Nari, Waga Ichizoku Modern Nostalgie

Splatter Master

Special Forces

Simple 2000 Series Vol. 11: The Offroad Buggy

Winning Lure

Last Escort: Shin'ya no Kokuchou Monogatari

MTB DirtCross

The Sensha

Simple 2000 Series Vol.86: Menkyo Shutoku Simulation - Kaiseidouro Koutsuu-hou Taiouban

Simple DS Series Vol. 35: The Genshijin DS

Ururun Quest: Koiyuuki

Last Escort 2: Shin'ya no Amai Ibara

Simple 2000 Series Vol. 19: The Renai Simulation - Watashi ni Oma Cafe

Yakuza Fury

Simple 2500 Series Portable Vol. 7: The Doko Demo Kanji Quiz - Challenge! Kanji Kentei 2006

Fisherman's Bass Club

Simple 2000 Series Vol. 58: The Gekai

Tsuridou: Umitsuri-hen

Simple DS Series Vol. 14: The Jidousha Kyoushuujo DS

Kanuchi: Futatsu No Tsubasa

Simple 2000 Series Vol.116: The Neko-mura no Hitobito - Pagu Daikan no Akugyou San-mai