| Dr. Slump | PlayStation |
JP | 1999-03-18 | published, developed |
| Fishing Freaks - BassRise | PlayStation |
JP | 1999-03-25 | published |
| Fishing Freaks - BassRise | PlayStation |
JP | 1999-03-25 | published |
| GunPey | WonderSwan |
JP | 1999-03-04 | published |
| Million Classic | PlayStation |
JP | 1999-03-18 | published, developed |
| Wonder Stadium | WonderSwan |
JP | 1999-03 | published |
| Chou Jikuu Yousai Macross - Ai Oboete Imasu ka | PlayStation |
JP | 1999-05 | published, developed |
| Kaze no Klonoa - Moonlight Museum | WonderSwan |
JP | 1999-05-20 | published |
| Last Stand | WonderSwan |
JP | 1999-05-27 | published |
| London Seirei Tanteidan | PlayStation |
JP | 1999-05 | published, developed |
| SD Gundam - Emotional Jam | WonderSwan |
JP | 1999-05-27 | published |
| Terrors | WonderSwan |
JP | 1999-05-08 | published |
| WonderSwan Handy Sonar | WonderSwan |
JP | 1999-05 | published, developed |
| Chaos Gear - Michibikareshi Mono | WonderSwan |
JP | 1999-06-10 | published |
| Neon Genesis Evangelion | Nintendo 64 |
JP | 1999-06-25 | published |
| Tekken Card Challenge | WonderSwan |
JP | 1999-06-17 | published |
| Vaitz Blade | WonderSwan |
JP | 1999-06-24 | published |
| Makaimura for WonderSwan | WonderSwan |
JP | 1999-07-22 | published |
| Neon Genesis Evangelion - Shito Ikusei | WonderSwan |
JP | 1999-07-22 | published |
| PD Ultraman Battle Collection 64 | Nintendo 64 |
JP | 1999-07-16 | published, developed |
| Gundam Side Story 0079 - Rise from the Ashes | Dreamcast |
JP | 1999-08-26 | published |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon no Keifu - Kimitsu Eizou Disc Tokubetsu-hen | PlayStation |
JP | 1999-08 | published |
| Meitantei Conan - Majutsushi no Chousenjou! | WonderSwan |
JP | 1999-08 | published |
| Mobile Suit Gundam MSVS | WonderSwan |
JP | 1999-08 | published |
| SD Gundam - GGeneration-0 | PlayStation |
JP | 1999-08 | published |
| Tail Concerto | PlayStation |
FR | 1999-08 | published |
| Macross VF-X2 | PlayStation |
JP | 1999-09 | published, developed |
| Tenkuu no Escaflowne | PlayStation |
JP | 1999-09 | published, developed |
| Wonder Stadium '99 | WonderSwan |
JP | 1999-09 | published |
| Rockman & Forte - Mirai Kara no Chousensha | WonderSwan |
JP | 1999-10-28 | published |
| Gundam Side Story 0079 - Rise from the Ashes - Premium Disc | Dreamcast |
JP | 1999-11 | published |
| Ichigeki - Hagane no Hito | PlayStation |
JP | 1999-11-02 | published, developed |
| Nazo Ou Pocket | WonderSwan |
JP | 1999-11-18 | developed |
| Turntablist - DJ Battle | WonderSwan |
JP | 1999-11-25 | published |
| Buffers Evolution | WonderSwan |
JP | 1999-12-09 | published |
| Cardcaptor Sakura - Sakura to Fushigi na Clow Card | WonderSwan |
JP | 1999-12-02 | published |
| D's Garage 21 Koubo Game - Tane o Maku Tori | WonderSwan |
JP | 1999-12 | published |
| Digimon Adventure - Anode Tamer | WonderSwan |
JP | 1999-12-16 | published |
| DigimonWorld - Digital Card Battle | PlayStation |
JP | 1999-12 | published, developed |
| Gunpey | PlayStation |
JP | 1999-12-16 | published |
| SD Gundam Gashapon Senki - Episode 1 | WonderSwan |
JP | 1999-12-29 | published |
| Tare Panda no GunPey | WonderSwan |
JP | 1999-12-09 | published, developed |
| Arc the Lad - Kishin Fukkatsu | WonderSwan Color |
JP | 2000 | published |
| Digimon - Ver. WonderSwan | WonderSwan |
HK | 2000 | published |
| Gunpey | Arcade |
JP | 2000 | published |
| Digimon Adventure - Cathode Tamer | WonderSwan |
JP | 2000-01-20 | published |
| Tactical Armor Custom Gasaraki | PlayStation |
JP | 2000-01-13 | published |
| Chou Aniki - Otoko no Tamafuda | WonderSwan |
JP | 2000-02-10 | published |
| Fishing Freaks - BassRise Plus | PlayStation |
JP | 2000-02-03 | published |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon no Keifu | PlayStation |
JP | 2000-02 | published, developed |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon no Keifu | PlayStation |
AS | 2000-02 | published, developed |
| Senkaiden - TV Animation Senkaiden Houshin Engi Yori | WonderSwan |
JP | 2000-02-24 | published |
| Aura Battler Dunbine - Seisenshi Densetsu | PlayStation |
JP | 2000-03-04 | published, developed |
| Final Lap 2000 | WonderSwan |
JP | 2000-03-23 | published |
| Sennou Millennium | WonderSwan |
JP | 2000-03-16 | published |
| Devil Man | PlayStation |
JP | 2000-04 | published, developed |
| Gundam Side Story 0079 - Rise from the Ashes | Dreamcast |
US | 2000-04-28 | published |
| Pocket Fighter | WonderSwan |
JP | 2000-04-06 | published |
| Slither Link | WonderSwan |
JP | 2000-04-20 | published |
| Wasabi Produce - Street Dancer | WonderSwan |
JP | 2000-04-27 | published |
| Digital Partner | WonderSwan |
JP | 2000-05-25 | published |
| Jitsumei Jikkyou Keiba - Dream Classic | PlayStation |
JP | 2000-05-18 | published, developed |
| Saraba Uchuu Senkan Yamato - Ai no Senshitachi | PlayStation |
JP | 2000-05 | published |
| Hunter X Hunter - Ishi o Tsugu Mono | WonderSwan |
JP | 2000-06-01 | published |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon no Keifu | Dreamcast |
JP | 2000-06-29 | published, developed |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon no Keifu - Kouryaku Shireisho | PlayStation |
JP | 2000-06 | published, developed |
| Pocket DigimonWorld | PlayStation |
JP | 2000-06-26 | published, developed |
| Punch the Monkey! Game Edition | PlayStation |
JP | 2000-06-22 | published, developed |
| Salaryman Kintarou - The Game | PlayStation |
JP | 2000-06-22 | published, developed |
| Senkai Taisen - TV Animation Senkaiden Houshin Engi yori | PlayStation |
JP | 2000-06-29 | published |
| DigimonWorld 2 | PlayStation |
JP | 2000-07 | published, developed |
| From TV Animation One Piece - Mezase Kaizoku Ou! | WonderSwan |
JP | 2000-07-19 | published |
| Meitantei Conan - Nishi no Meitantei Saidai no Kiki! | WonderSwan |
JP | 2000-07 | published |
| SD Gundam G Generation - Gather Beat | WonderSwan |
JP | 2000-07-13 | published |
| Digimon Adventure 02 - Tag Tamers | WonderSwan |
JP | 2000-08-03 | published |
| Meitantei Conan - 3-nin no Meisuiri | PlayStation |
JP | 2000-08 | published, developed |
| Meitantei Conan - 3-nin no Meisuiri | PlayStation |
JP | 2000-08 | published, developed |
| Ring Infinity | WonderSwan |
JP | 2000-08-10 | published |
| Robot Works | WonderSwan |
HK | 2000-08-04 | published, developed |
| Robot Works | WonderSwan |
JP | 2000-08-04 | published, developed |
| SD Gundam - GGeneration-F | PlayStation |
JP | 2000-08 | published |
| Taregoro - Tarepanda no Iru Nichijou | PlayStation |
JP | 2000-08-31 | published, developed |
| Ao no 6-gou - Antarctica | PlayStation |
JP | 2000-09 | published, developed |
| Kids Station - Bokura to Asobou! Ultraman TV | PlayStation |
JP | 2000-09 | published, developed |
| Kids Station - Kikansha Thomas to Nakamatachi | PlayStation |
JP | 2000-09 | published |
| Kids Station - Magical Music - Eigo de One, Two, Three! | PlayStation |
JP | 2000-09 | published, developed |
| Kids Station - Oja Majo DoReMi - Maho-dou Dance Carnival! | PlayStation |
JP | 2000-09 | published |
| Kids Station - Soreike! Anpanman | PlayStation |
JP | 2000-09 | published, developed |
| Kids Station - Soreike! Anpanman | PlayStation |
JP | 2000-09 | published |
| Uchuu Senkan Yamato - Eiyuu no Kiseki | PlayStation |
JP | 2000-09 | published |
| Hokuto no Ken - Seikimatsu Kyuuseishu Densetsu | PlayStation |
JP | 2000-10 | published, developed |
| Pocket DigimonWorld - Wind Battle Disc | PlayStation |
JP | 2000-10-26 | published, developed |
| Mobile Police Patlabor - Game Edition | PlayStation |
JP | 2000-11-30 | published |
| Mobile Police Patlabor - Game Edition | PlayStation |
JP | 2000-11 | published, developed |
| Another Heaven - Memory of those Days | WonderSwan Color |
JP | 2000-12-21 | published |
| Digimon Adventure 02 - D1 Tamers | WonderSwan Color |
JP | 2000-12-09 | published |
| DigimonWorld - Digital Card Arena | PlayStation |
JP | 2000-12 | published, developed |
| Dokodemo Hamster 3 - Odekake Saffron | WonderSwan Color |
JP | 2000-12-14 | published |
| GunPey EX | WonderSwan Color |
JP | 2000-12-09 | published |
| Kamen Rider Kuuga | PlayStation |
JP | 2000-12-21 | published |