NatsumeAtari
From Game Developer Research Institute
3DO
- Royal Pro Wrestling: Jikkyou Live!! (JP Publisher: Natsume)
Arcade
- Cleopatra Fortune (some game design, programming, some character design) (Taito)
DS
- Hagane no Renkinjutsushi: Dual Sympathy / Fullmetal Alchemist: Dual Sympathy (JP Publisher: Bandai; US/AU Publisher: Destineer; EU Publisher: Empire Interactive)
- Kamen Rider Dragon Knight (US Publisher: D3)
- Negima!?: Chou Maho Ryou Taisen Check-In Zenin Shuugou (JP Publisher: Marvelous Entertainment) [1]
- Negima!?: Chou Mahora Taisen Kattoiin, Keiyaku Shikkou Dechai Masuu (JP Publisher: Marvelous Entertainment) [2]
- Nicktoons Battle For Volcano Island (US Publisher: THQ)
- Nicktoons Attack of the Toybots (US Publisher: THQ)
- Nicktoons Globs of Doom (US Publisher: THQ)
- Ore no Sentouki / Freedom Wings (US/JP Publisher: Natsume)
Famicom/NES
- Captain Saver / Power Blade 2 (programming, sound) (JP/US Publisher: Taito)
- Chaos World (JP Publisher: Natsume)
- Choujin Sentai Jetman (JP Publisher: Angel)
- Don Doko Don 2 (JP Publisher: Taito)
- Dragon Fighter (JP Publisher: Towa Chiki, US Publisher: Sofel)
- The Jetsons: Cogswell's Caper (programming, graphics) (JP/US/EU Publisher: Taito)
- Kage / Shadow of the Ninja / Blue Shadow (JP/US Publisher: Natsume, EU Publisher: Taito)
- Mitsume ga Tooru (JP Publisher: Tomy)
- Power Blazer / Power Blade (programming, sound) (US/JP/EU Publisher: Taito)
- Tokkyu Shirei Solbrain / Shatterhand (JP Publisher: Angel, US/EU Publisher: Jaleco)
- Toukon Club (JP Publisher: Jaleco)
- World Boxing (JP Publisher: TSS)
Game Boy
- Bubble Bobble Part 2 / Bubble Bobble Jr. (US/JP Publisher: Taito)
- Gegege no Kitarou: Youkai Souzoushu Utsuru! (JP Publisher: Bandai)
- Lucky Monkey / Spanky's Quest (US/JP Publisher: Natsume)
- Medarot (JP Publisher: Imagineer/Natsume)
- Medarot Parts Collection 1 (JP Publisher: Imagineer/Natsume)
- Medarot Parts Collection 2 (JP Publisher: Imagineer/Natsume)
- Ninja Ryukenden GB: Matenrou Kessen / Ninja Gaiden: Shadow (US/JP Publisher: Tecmo)
- Osawagase! Penguin Boy / Amazing Penguin (US/JP Publisher: Natsume)
- Ring Rage (US Publisher: Natsume; EU/JP Publisher: Taito)
- Rakuraku Mission (JP Publisher: Natsume)
- Shippo de Bun! / Tail 'Gator (JP Publisher: VAP; US/EU Publisher: Natsume)
- Tetris Plus (US/JP Publisher: Jaleco; EU Publisher: Nintendo)
Game Boy Advance
- Buffy The Vampire Slayer: Wrath of the Darkhul King (US Publisher: THQ)
- Family Tennis Advance (JP Publisher: Namco)
- Hachiemon (JP Publisher: Namco/KTV)
- Keitai Denjyu Telefang 2 (JP Publisher: Smilesoft/Natsume)
- Kidou Senshi Gundam Seed Destiny (JP Publisher: Bandai)
- Medarot 2 Core / Medabots (US Publisher: Natsume; JP Publisher: Imagineer/Natsume)
- Medarot G / Medabots AX (US Publisher: Natsume; JP Publisher: Imagineer/Natsume)
- Medarot Navi (JP Publisher: Imagineer/Natsume)
- Mobile Suit Gundam SEED Battle Assault (US Publisher: Bandai)
- Monsters Inc. (US Publisher: Disney/THQ; JP Publisher: Tomy)
- Power Rangers Dino Thunder (US Publisher: THQ)
- Power Rangers Ninja Storm (US Publisher: THQ)
- Power Rangers SPD (US Publisher: THQ)
- Power Rangers Wild Force (US Publisher: THQ)
- Rockman Zero 4 / Mega Man Zero 4 (character and graphic support) (JP/EU/US Publisher: Capcom)
- Samurai Deeper Kyo (US Publisher: Destineer/Anime Works; JP Publisher: Marvelous Entertainment)
- Shingata Medarot (JP Publisher: Imagineer)
- WWE Survivor Series (US Publisher: THQ)
- WWE Road to WrestleMania X8 (US Publisher: THQ)
- WWE Road to WrestleMania (US Publisher: THQ)
Game Boy Color
- Action Man: Search for Base X (US Publisher: Mattel/THQ)
- Bass Masters Classic (US Publisher: THQ)
- Croc 2 (US Publisher: THQ)
- Golf de Oha Star / Hole in One Golf (JP Publisher: Epoch; US Publisher: Natsume)
- Jeff Gordon XS Racing (US Publisher: ASC Games)
- Keitai Denjuu Telefang: Power Version (JP Publisher: Smilesoft)
- Keitai Denjuu Telefang: Speed Version (JP Publisher: Smilesoft)
- Medarot 2 / Medarot 2 Parts Collections (JP Publisher: Imagineer/Natsume)
- Medarot 3 (JP Publisher: Imagineer/Natsume)
- Medarot 3 Parts Collections Z kara no Chousenjou (JP Publisher: Imagineer/Natsume)
- Medarot 4 (JP Publisher: Imagineer/Natsume)
- Medarot 5 Susutake Mura no Tenkousei (JP Publisher: Imagineer/Natsume)
- Medarot: Card Robottle (JP Publisher: Imagineer)
- Naminori Yarou! / Ultimate Surfing (JP/US Publisher: Natsume)
- Pocket Color Block / Dragon Dance (JP Publisher: Bottom Up; US/EU Publisher: Crave)
- Power Rangers: Lightspeed Rescue (US Publisher: THQ)
- Power Rangers: Time Force (US Publisher: THQ)
- Qix Adventure (US/JP Publisher: Taito)
- Real Pro Yakyu! (JP Publisher: Natsume)
- Sylvania Melody: Mori no Nakama to Odori Mashi! (JP Publisher: Epoch)
- Tokoro-san no Setagaya Country Club (JP Publisher: Natsume)
- Tony Hawk's Pro Skater (US Publisher: THQ)
- Tony Hawk's Pro Skater 2 (US Publisher: THQ)
- Trickboarder GP / Trick Boarder (JP Publisher: Athena; Publisher: Natsume)
- WWF WrestleMania 2000 (US/EU Publisher: THQ)
Gamecube
- Medarot Brave / Medabots Infinity (US/JP Publisher: Natsume)
iPhone / iPod Touch apps [3]
- Air Boxer Series
- BPM Counter series
- Chitty Chitty series
- Flash ANZAN series
- Insect Arena series [4]
- Love Sync series
- Mathematics Trainer series
- MRF Stopwatch
- NumZap series
- VoteApp
Mark III/Master System
- Renegade (EU Publisher: Sega, BR Publisher: Tec Toy)
- Sagaia (EU Publisher: Sega, BR Publisher: Tec Toy)
- Special Criminal Investigation (EU Publisher: Sega)
MSX 2
- Mitsume ga Tooru: The Three-Eyed One Comes Here (JP Publisher: Natsume) [5]
PC Engine/TurboGrafx 16
- Hana Tahka Daka!? (programming, sound) (JP Publisher: Taito)
PC Engine CD/TurboGrafx CD
- Jantei Monogatari 3: Saver Angel (JP Publisher: Atlus)
PlayStation
- Digital Figure Iina (JP Publisher: Imagineer)
- Gear Senshi Dendou (JP Publisher: Bandai)
- Gundam Battle Assault (JP/US Publisher: Bandai)
- Gundam Battle Assault 2 (US Publisher: Bandai)
- Gundam: The Battle Master (JP Publisher: Bandai)
- Gundam: The Battle Master 2 (JP Publisher: Bandai)
- Hokuto no Ken: Seikimatsu Kyūseishu Densetsu (JP Publisher: Bandai)
- Kidou Butouden G Gundam: The Battle (JP Publisher: Bandai)
- Medarot R (JP Publisher: Imagineer)
- Medarot R: Parts Collection (JP Publisher: Imagineer)
- Shin Kidou Senki Gundam W: The Battle (JP Publisher: Bandai)
- Tetris Plus (JP/US Publisher: Jaleco)
Playstation 2
- Battle Assault 3 featuring Gundam Seed (US Publisher: Bandai)
- Captain Tsubasa (JP Publisher: Bandai)
- D.I.C.E. - DNA Integrated Cybernetic Enterprises (US Publisher: Bandai)
- Mobile Suit Gundam Seed (JP Publisher: Bandai)
- Shinkon Gattai Godanner (JP Publisher: Bandai)
Saturn
- Cleopatra Fortune (JP Publisher: Taito)
- Tetris Plus (JP/US/EU Publisher: Jaleco)
Super Famicom/SNES
- Casper (not to be confused with the American/European SNES game Casper, developed by Absolute and published by Natsume) (JP Publisher: KSS)
- Fortune Quest: Dice o Korogase (JP Publisher: Zamuse)
- Gekisou Sentai Car Rangers (JP Publisher: Bandai)
- Ghost Sweeper Mikami: Joreishi wa Nice Body (JP Publisher: Banalex)
- Hansei Zaru Jiro-kun no Daibouken / Spanky's Quest (US/JP Publisher: Natsume)
- Heian Fuuunden (JP Publisher: KSS)
- Kiki Kaikai: Nazo no Kuro Manto / Pocky & Rocky (US/JP Publisher: Natsume)
- Kiki Kaikai: Tsukiyozoushi / Pocky & Rocky 2 (US/JP Publisher: Natsume)
- Masaki Shimono no Fishing to Bassing (JP Publisher: Natsume)
- Mighty Morphin Power Rangers (JP/US/EU Publisher: Bandai)
- Mighty Morphin Power Rangers: The Fighting Edition (US/EU Publisher: Bandai)
- Mighty Morphin Power Rangers: The Movie (US Publisher: Bandai)
- Natsume Championship Wrestling (US Publisher: Natsume)
- The Ninja Warriors Again / Ninja Warriors / Ninja Warriors: The New Generation (JP/US Publisher: Taito/EU Publisher: Titus)
- Ohmono Black Bass Fishing: Jinzouko Hen / Mark Davis' The Fishing Master (US Publisher: Natsume/JP Publisher: Acclaim)
- Power Rangers Zeo: Battle Racers (US Publisher: Bandai)
- Saibara Reiko no Mahjong Hourouki (JP Publisher: Taito)
- Shimono Masaki no Fishing To Bassing / Masaki Shimono Fishing To Bassing (JP Publisher: Natsume)
- Shin Kidou Senshi Gundam Wing: Endless Duel (JP Publisher: Bandai)
- Wild Guns (JP/US Publisher: Natsume/EU Publisher: Titus)
- Zen Nihon Pro Wres (JP Publisher: NCS Masaya)
- Zen Nihon Pro Wres 2: 3·4 Budoukan (JP Publisher: NCS Masaya)
- Zen Nihon Pro Wres Dash: Sekai Saikyou Tag (JP Publisher: NCS Masaya)
Wii
- Gintama Yorozuya Chūbu Tsukkomaburu Dōga (JP Publisher: Bandai) [6]
WiiWare
- Moki Moki / Mochi Mochi Q (US/JP Publisher: Natsume)
Wonderswan
- Medarot Perfect Edition (JP Publisher: Imagineer)
Xbox 360
- Omega Five (US/EU/JP Publisher: Hudson Soft)