| 1985 |
 |
Company established in Setagaya-Ku Tokyo. Commenced planning and
development of entertainment software for PC.
- Released [Thexder]

- Released [Cuby Panic]

|
| 1986 |
 |
- Released [Silpheed]

|
| 1987 |
 |
- Released [Gyuwambler Jikocyushinha]

Moved headquarters to 2-9-9 Minami-Ikebukuro, Toshima-ku Tokyo.
- Released [Solitaire Royale]

- Released [Zeriard]

|
| 1988 |
 |
- Released [Gyuwambler Jikocyushinha2 Jisyou! Kyougoujanshi-Hen]
- Released [Professional Baseball Family Stadium]

- Released [Veigues]

- Released [Gyuwambler Jikocyushinha3 Boukyou Sasuraijanshi-Hen]
|
| 1989 |
 |
- Released [Gyuwambler Jikocyushinha Mahjong Puzzle Collection]
- Released [Fire Hawk]

- Released [Jan-Oh Touryumon]

- Released [Professional Baseball Family Stadium '89]

|
| 1990 |
 |
- Released [HARAKIRI]

- Released [Professional Baseball Family Stadium '90]

Commenced planning and development of entertainment software for
videogames.
- Released [Gyuwambler Jikocyushinha -Katayama Masayuki's Mahjong Dojo-]

|
| 1991 |
 |
- Released [Jan-Oh Touryumon 2]

Development shifted from PC games to console ones.
Development for Sega CD platform has begun.
- Released [Tenka Fubu]

|
| 1992 |
 |
- Released [Alisia Dragoon]
- Released [Lunar The Silver Star]

- Released [Gyuwambler Jikocyushinha2 Struggle in Tokyo mahjongland]

|
| 1993 |
 |
- Released [Yumimi Mix]

- Released [J League Champion Soccer]

- Released [Silpheed]

|
| 1994 |
 |
- Released [Urusei Yatsura -Dear My Friends-]

- Released [Lunar Eternal Blue]

|
| 1995 |
 |
Development for Sega Saturn™ platform has begun.
- Released [Yumimi Mix REMIX]

|
| 1996 |
 |
- Released [Gungriffon -The Eurasian Conflict-]

- Released [Gyuwambler Jikocyushinha -TOKYO MAHJONGLAND-]

- Released [Dinosaur Island Yokoku-HEN]

|
| 1997 |
 |
- Released [Dinosaur Island]

- Released [Grandia]

|
| 1998 |
 |
Development for PlayStation® platform has begun.
- Released [Gungriffon II]
- Released [Grandia -Digital Museum-]

|
| 2000 |
 |
Development for PlayStation®2 platform has begun.
- Released [Gyuwambler Jikocyushinha -Ippatsu Shoubu!-]

- Released [Grandia II]

- Released [Gungriffon Blaze]

- Released [Silpheed -The Lost Planet-]

|
| 2001 |
 |
- Released [Chen Uen's Three Kingdoms]

|
| 2002 |
 |
- [Grandia Xtreme] was released by Square Enix.

|
| 2004 |
 |
Development for Xbox® platform has begun.
- Released [Gungriffon Allied Strike]

|
| 2005 |
 |
- [Grandia III] was released by Square Enix.

- Released [Lunar Genesis]

|
| 2006 |
 |
Moved headquarters to 2-32-12 Minami-Ikebukuro, Toshima-Ku, Tokyo.
Development for Wii®, Xbox 360® platform has begun.
- [Project Sylpheed] was released by Square Enix.

|
| 2007 |
 |
Development for PlayStation®3 platform has begun.
- [Mainichi Issho (Toro Station)] was released by Sony Computer Entertainment.

|
| 2008 |
 |
Moved headquarter to 1-13-23 Minami-Ikebukuro, Toshima-ku Tokyo.
- [Gundam Tactics Online] was released by NAMCO BANDAI Games Inc.
- [Hokutonoken Online] was released by Gungho Online Entertainment, Inc.

|
| 2009 |
 |
Development for WiiWare™, PSP® platform has
begun.
- Released [Grandia] on PlayStation®Network.

- [Grandia Online] was released by Gungho Online Entertainment, Inc.

- [Teenage Mutant Ninja Turtles: Smash-Up] was released by UbiSoft Entertainment.

- Released [Shadow Walker: Kage no Shonen to Hikari no Yosei
/ The
Magic Obelisk ]
- Released [Lunar -Harmony of Silver Star-]

|
| 2010 |
 |
- Released [Grandia] on PlayStation®Network.

- [Lunar: Silver Star Harmony] was released by XSEED Games.

|
| 2012 |
 |
Moved headquarter to Sumitomo Fudosan Marunouchi Bldg., 3-8-1,
Marunouchi, Chiyoda-ku, Tokyo.
|
| 2014 |
 |
- Released [GRANDIA II] on PlayStation®Network.

- Released [GRANDIA XTREME] on PlayStation®Network.

|
| 2015 |
 |
- Released [GRANDIA III] on PlayStation®Network.

- Released [Lunar2:Eternal Blue] on PlayStation®Network.

|
| 2016 |
 |
- Released [Gyuwambler Jikocyushinha -Ippatsu Shoubu!-] on PlayStation®Network.

Moved headquarter to Pacific Century Place Marunouchi, 1-11-1
Marunouchi Chiyoda-ku, Tokyo 100-6221 Japan
|