Sol

Programmers Takashi Hayatsu (早津隆志) and Junichi Kobayashi (小林淳一) went on to start X-Road in 2001.

Research Methods: Actual mentions, hidden data, online resources (see Links), shared staff

Arcade

• SD Gundam: Psycho Salamander no Kyoui (sound?) (Banpresto)

Famicom/NES

• Dai Kaijuu: Deburas (programming?) (JP Publisher: Data East)
• The Flintstones: The Rescue of Dino & Hoppy (programming, some graphics) (US/EU/AU/JP Publisher: Taito)
• The Flintstones: The Surprise at Dinosaur Peak! ([some?] programming) (EU/US Publisher: Taito)
• Snow Brothers / Snow Bros. (programming?) (US/EU Publisher: Capcom; JP Publisher: Toaplan)

PlayStation

• Cho Nazo O (programming, graphics) (JP Publisher: Emotion) [1]
• Kurashi no Manner: Kankonsousai-hen (JP Publisher: D3 Publisher)

Planning: Bestmedia

• The Onigokko (JP Publisher: D3 Publisher)

Planning: Bestmedia

• The Sniper (JP Publisher: D3 Publisher)

Planning: Bestmedia

• Space Adventure Cobra: The Shooting (JP Publisher: Takara) [2]

Sound: Studio Cliche

• Submarine Hunter Shachi / Submarine Commander (JP Publisher: Victor; EU Publisher: JVC)

Sound: Studio PJ

• Suzuki Bakuhatsu (JP Publisher: Enix)

Game Sound: Studio PJ

• The War Simulation: Nin no Tsukurishisha-tachi (JP Publisher: D3 Publisher)

Planning: Bestmedia

Saturn

• Fist (JP Publisher: Imagineer)

Modeling: Fifchil; Sound: Studio Cliche

• Seifuku Densetsu: Pretty Fighter X (JP Publisher: Imagineer)

Sound: Studio Cliche, Mint

Super Famicom/Super NES

• Aoki Densetsu Shoot! (programming, graphics) (JP Publisher: KSS)

Sound: USP?

• The Flintstones: The Treasure of Sierra Madrock ([some?] programming) (US/EU/JP Publisher: Taito)

Some Sound: USP?

• Hisshou Pachi Slot Fan (sound [driver?]) (JP Publisher: Planning Office Wada)
• Honkakuha Igo: Gosei (sound?) (JP Publisher: Taito)
• Janyuuki Gokuu Randa (sound?) (JP Publisher: Virgin)
• Kamen Rider SD: Shutsugeki!! Rider Machine (sound?) (JP Publisher: Yutaka)
• Seifuku Densetsu: Pretty Fighter (JP Publisher: Imagineer)

Sound: Mint

• U-Jin no Furi-Furi Girls (sound?) (JP Publisher: Planning Office Wada)

Links

• Gpara.com interview with Takashi Hayatsu (Japanese) (Internet Archive Wayback Machine)
• Developer Table entry (Japanese)