Exo-Squad (Mega Drive - 1995)
Promotional illustration (Source: mentioned by the owner of the original artwork, via OVGA)
Jumping Flash! / ジャンピングフラッシュ! (PS1 - 1995)
Cover art for the US version (Source: mentioned by the owner of the original artwork, via OVGA)
Golden Axe: Revenge of Death Adder / ゴールデンアックス デスアダーの復讐 (Arcade - 1992)
Promotional illustration for the US version (Source: mentioned by the owner of the original artwork, via OVGA)
Save New York (C64 - 1983)
Promotional illustration (Source: preliminary art sold on ebay, via OVGA)
Star Trek Deep Space Nine Crossroads of Time (SNES - 1995)
Promotional illustration (Source: preliminary sketch auctioned in 2023)
X-Kaliber 2097 (SNES - 1994)
Cover art (Source: credited in the manual)
Exo-Squad
Golden Axe: Revenge of Death Adder
Jumping Flash!
Save New York
Star Trek Deep Space Nine Crossroads of Time
X-Kaliber 2097