| 1985 |
 |
- Company established in Setagaya-Ku Tokyo.
- Commenced planning and development of entertainment software for PC .
- Released [Thexder] (PC)
- Released [Cuby Panic] (PC)
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| 1986 |
 |
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| 1987 |
 |
- Released [Gyuwambler Jikocyushinha] (PC)
- Released Moved headquarters to 2-9-9 Minami-Ikebukuro, Toshima-ku Tokyo.
- Released [Zeriard] (PC)
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| 1988 |
 |
- Released [Gyuwambler Jikocyushinha2 Jisyou! Kyougoujanshi-Hen] (PC)
- Released [Professional Baseball Family Stadium] (PC)
- Released [Veigues] (PC)
- Released [Gyuwambler Jikocyushinha3 Boukyou Sasuraijanshi-Hen] (PC)
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| 1989 |
 |
- Released [Gyuwambler Jikocyushinha Mahjong Puzzle Collection] (PC)
- Released [Fire Hawk] (PC)
- Released [Jan-Oh Touryumon] (PC)
- Released [Professional Baseball Family Stadium '89] (PC)
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| 1990 |
 |
- Released [HARAKIRI] (PC)
- Released [Professional Baseball Family Stadium '90] (PC)
- Commenced planning and development of entertainment software for videogames.
- Released [Gyuwambler Jikocyushinha ?Katayama Masayuki's Mahjong Dojo-](MD)
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| 1991 |
 |
- Released [Jan-Oh Touryumon 2] (PC)
- Development shifted from PC games to console ones.
- Released [Tenka Fubu] (MCD)
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| 1992 |
 |
- Released [Alisia Dragoon] (MD)
- Released [Lunar The Silver Star] (MCD)
- Released [Gyuwambler Jikocyushinha2 Struggle in Tokyo mahjongland] (MCD)
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| 1993 |
 |
- Released [Yumimi Mix] (MCD)
- Released [J League Champion Soccer] (MD)
- Released [Silpheed] (MCD)
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| 1994 |
 |
- Released [Urusei Yatsura -Dear My Friends-] (MCD)
- Released [Lunar Eternal Blue] (MCD)
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| 1995 |
 |
- Released [Yumimi Mix REMIX] (SS)
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| 1996 |
 |
- Released [Gungriffon -The Eurasian Conflict-] (SS)
- Released [Gyuwambler Jikocyushinha] (SS)
- Released [Dinosaur Island Yokoku-HEN] (SS)
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| 1997 |
 |
- Released [Dinosaur Island] (SS)
- Released [Grandia] (SS)
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| 1998 |
 |
- Released [Gungriffon II] (SS)
- Released [Grandia -Digital Museum-] (SS)
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| 1999 |
 |
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| 2000 |
 |
- Released [Gyuwambler Jikocyushinha ?Ippatsu Shoubu!-] (PS)
- Released [Grandia II] (DC)
- Released [Gungriffon Blaze] (PS2)
- Released [Silpheed -The Lost Planet-] (PS2)
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| 2001 |
 |
- Released [Chen Uen's Three Kingdoms] (PS2)
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| 2002 |
 |
- Released [Grandia Xtreme] from Square Enix (PS2)
- Released [Grandia II] from Square Enix (PS2)
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| 2004 |
 |
- Released [Gungriffon Allied Strike] (Xbox)
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| 2005 |
 |
- Released [Grandia lII] from Square Enix (PS2)
- Released [Lunar Genesis] from Marvelous Interactive (DS)
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| 2006 |
 |
- Moved headquarters to 2-32-12 Minami-Ikebukuro, Toshima-Ku, Tokyo.
- Released [Project Sylpheed] from Square Enix (Xbox360)
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| 2007 |
 |
- Released [Mainichi Issho (Toro Station)] from Sony Computer Entertainment(PS3)
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| 2008 |
 |
- Moved headquarter to 1-13-23 Minami-Ikebukuro, Toshima-ku Tokyo.
- Released [Gundam Tactics Online] from MCO BANDAI Games Inc.
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PS2: PlayStation 2, DC: Dreamcast, PS: PlayStation, SS: Sega Saturn, MCD: MEGA CD(Sega CD), MD: Mega Drive(Genesis)
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