| Sonic Adventure DX - Director's Cut | GameCube |
US | 2003-06-17 | developed |
| Sonic Pinball Party | Game Boy Advance |
US | 2003-06 | developed |
| Sonic Pinball Party | Game Boy Advance |
EU | 2003-07 | developed |
| Sonic Pinball Party | Game Boy Advance |
JP | 2003-07 | developed |
| Billy Hatcher and the Giant Egg | GameCube |
US | 2003-09-23 | developed |
| Billy Hatcher and the Giant Egg | GameCube |
EU | 2003-10-31 | developed |
| Billy Hatcher and the Giant Egg | GameCube |
EU | 2003-10-31 | developed |
| Giant Egg - Billy Hatcher no Daibouken | GameCube |
JP | 2003-10 | developed |
| Phantasy Star Online Episode III - C.A.R.D. Revolution | GameCube |
JP | 2003-11-27 | developed |
| Sonic Battle | Game Boy Advance |
JP | 2003-12 | developed |
| Sonic Battle | Game Boy Advance |
EU | 2004-01 | developed |
| Sonic Battle | Game Boy Advance |
US | 2004-01 | developed |
| Puyo Pop Fever | GameCube |
EU | 2004-02-27 | developed |
| Puyo Pop Fever | PlayStation 2 |
EU | 2004-02 | developed |
| Puyo Pop Fever | Xbox |
EU | 2004-02-27 | developed |
| Puyo Puyo Fever | Dreamcast |
JP | 2004-02-24 | developed |
| Puyo Puyo Fever | PlayStation 2 |
JP | 2004-02 | developed |
| Puyo Puyo Fever | PlayStation 2 |
JP | 2004-02 | developed |
| Puyo Puyo Fever | Xbox |
JP | 2004-02 | developed |
| Astro Boy - Tetsuwan Atom | PlayStation 2 |
JP | 2004-03 | developed |
| Astro Boy - Tetsuwan Atom | PlayStation 2 |
AS | 2004-03 | developed |
| Phantasy Star Online Episode III - C.A.R.D. Revolution | GameCube |
US | 2004-03-02 | developed |
| Puyo Puyo Fever | GameCube |
JP | 2004-03 | developed |
| Phantasy Star Online Episode III - C.A.R.D. Revolution | GameCube |
EU | 2004-06-11 | developed |
| Sonic Advance 3 | Game Boy Advance |
EU | 2004-06 | developed |
| Sonic Advance 3 | Game Boy Advance |
EU | 2004-06 | developed |
| Sonic Advance 3 | Game Boy Advance |
JP | 2004-06 | developed |
| Sonic Advance 3 | Game Boy Advance |
US | 2004-06 | developed |
| Astro Boy Atom | PlayStation 2 |
KR | 2004-07 | developed |
| Puyo Pop Fever | GameCube |
US | 2004-07-20 | developed |
| Puyo Puyo Fever | Game Boy Advance |
JP | 2004-07-24 | developed |
| Astro Boy | PlayStation 2 |
US | 2004-08 | developed |
| Sega Superstars | PlayStation 2 |
EU | 2004-10 | developed |
| Sega Superstars | PlayStation 2 |
AU | 2004-10 | developed |
| Sega Superstars | PlayStation 2 |
DE | 2004-10 | developed |
| Sega Superstars | PlayStation 2 |
JP | 2004-10 | developed |
| Sega Superstars | PlayStation 2 |
US | 2004-10 | developed |
| Sega Superstars | PlayStation 2 |
EU | 2004-10 | developed |
| EZ-Flash V | Nintendo DS |
WORLD | 2004-11 | developed |
| Feel the Magic - XY-XX | Nintendo DS |
US | 2004-11 | developed |
| Sonic Mega Collection Plus | PlayStation 2 |
EU | 2004-11 | developed |
| Sonic Mega Collection Plus | PlayStation 2 |
AU | 2004-11 | developed |
| Sonic Mega Collection Plus | PlayStation 2 |
JP | 2004-11 | developed |
| Sonic Mega Collection Plus | PlayStation 2 |
KR | 2004-11 | developed |
| Sonic Mega Collection Plus | PlayStation 2 |
US | 2004-11 | developed |
| Sonic Mega Collection Plus | PlayStation 2 |
US | 2004-11 | developed |
| Sonic Mega Collection Plus | Xbox |
WORLD | 2004-11-02 | developed |
| Sonic Mega Collection Plus | Xbox |
WORLD | 2004-11-02 | developed |
| Kimi no Tame Nara Shineru | Nintendo DS |
JP | 2004-12 | developed |
| Puyo Pop Fever | PlayStation Portable |
EU | 2004-12 | developed |
| Puyo Puyo Fever | Nintendo DS |
JP | 2004-12 | developed |
| Puyo Puyo Fever | PlayStation Portable |
JP | 2004-12-24 | developed |
| Puyo Pop Fever | Game Boy Advance |
EU | 2005 | developed |
| Astro Boy | PlayStation 2 |
EU | 2005-02 | developed |
| Project Rub | Nintendo DS |
EU | 2005-03 | developed |
| Sonic Gems Collection | GameCube |
JP | 2005-08-11 | developed |
| Sonic Gems Collection | PlayStation 2 |
EU | 2005-08 | developed |
| Sonic Gems Collection | PlayStation 2 |
AU | 2005-08 | developed |
| Sonic Gems Collection | PlayStation 2 |
JP | 2005-08 | developed |
| Sonic Gems Collection | PlayStation 2 |
KR | 2005-08 | developed |
| Sonic Gems Collection | GameCube |
EU | 2005-09-30 | developed |
| Akachan wa Doko kara Kuru no | Nintendo DS |
JP | 2005-10 | developed |
| Sonic Gems Collection | GameCube |
US | 2005-10 | developed |
| 2 Games in 1 - Sonic Advance + ChuChu Rocket! | Game Boy Advance |
EU | 2005-11 | developed |
| 2 Games in 1 - Sonic Advance + Sonic Battle | Game Boy Advance |
EU | 2005-11 | developed |
| 2 Games in 1 - Sonic Advance + Sonic Pinball Party | Game Boy Advance |
EU | 2005-11 | developed |
| 2 Games in 1 - Sonic Battle + ChuChu Rocket! | Game Boy Advance |
EU | 2005-11 | developed |
| 2 Games in 1 - Sonic Battle + Sonic Pinball Party | Game Boy Advance |
EU | 2005-11 | developed |
| Combo Pack - Sonic Advance + Sonic Pinball Party | Game Boy Advance |
US | 2005-11 | developed |
| Puyo Puyo Fever 2 | PlayStation 2 |
JP | 2005-11 | developed |
| Puyo Puyo Fever 2 | PlayStation 2 |
JP | 2005-11 | developed |
| Puyo Puyo Fever 2 | PlayStation Portable |
JP | 2005-11-24 | developed |
| Shadow the Hedgehog | GameCube |
EU | 2005-11-18 | developed |
| Puyo Puyo Fever 2 | Nintendo DS |
JP | 2005-12 | developed |
| Double Pack - Sonic Advance & ChuChu Rocket! | Game Boy Advance |
JP | 2006-01-26 | developed |
| Double Pack - Sonic Battle & Sonic Advance | Game Boy Advance |
JP | 2006-01 | developed |
| Double Pack - Sonic Pinball Party & Sonic Battle | Game Boy Advance |
JP | 2006-01 | developed |
| Sonic Riders | GameCube |
JP | 2006-02-23 | developed |
| Sonic Riders | GameCube |
US | 2006-02-21 | developed |
| Sonic Riders | PlayStation 2 |
JP | 2006-02 | developed |
| Sonic Riders | PlayStation 2 |
KR | 2006-02 | developed |
| Sonic Riders | PlayStation 2 |
US | 2006-02 | developed |
| Sonic Riders | PlayStation 2 |
US | 2006-02 | developed |
| Sonic Riders | PlayStation 2 |
EU | 2006-02 | developed |
| Sonic Riders | Xbox |
JP | 2006-02-23 | developed |
| Sonic Riders | Xbox |
US | 2006-02-21 | developed |
| Sonic Riders | Xbox |
WORLD | 2006-02-21 | developed |
| The Rub Rabbits! | Nintendo DS |
EU | 2006-02 | developed |
| The Rub Rabbits! | Nintendo DS |
US | 2006-02 | developed |
| 2 Games in 1 - Sonic Pinball Party + Columns Crown | Game Boy Advance |
EU | 2006-03 | developed |
| Sonic Riders | GameCube |
EU | 2006-03-17 | developed |
| Sonic Riders | PlayStation 2 |
EU | 2006-03 | developed |
| Sonic Riders | PlayStation 2 |
AU | 2006-03 | developed |
| Sonic Riders | Xbox |
EU | 2006-03-17 | developed |
| Puyo Pop Fever | Nintendo DS |
EU | 2006-07 | developed |
| Puyo Pop Fever | Nintendo DS |
US | 2006-07 | developed |
| Phantasy Star Universe | PlayStation 2 |
JP | 2006-08 | developed |
| Phantasy Star Universe | PlayStation 2 |
JP | 2006-08 | developed |
| Phantasy Star Universe | PlayStation 2 |
US | 2006-10 | developed |
| Phantasy Star Universe | Xbox 360 |
US | 2006-10-25 | developed |