Games
Other video game related works
To be confirmed
Confirmed as not having been made by the artist
Gallery
Basketball Nightmare (Master System - 1989)
Cover art (Source: confirmed by the artist on Twitter)
DJ Boy / DJボーイ (Mega Drive - 1990)
Cover art for the Japanese and European versions, back cover and manual illustrations for the Japanese version (Source: signature found on the cover of the Japanese manual)
Dynamite Headdy / ダイナマイト ヘッディー (Mega Drive - 1994)
Cover art and back cover illustration for the Japanese version
(Source: mentioned by the artist on Twitter, back cover)
Ecco The Dolphin / エコー・ザ・ドルフィン (Mega Drive - 1992, Game Gear - 1994)
Cover art for the Japanese version (Sources: Signature found on the original artwork)
Ecco The Dolphin II / エコー・ザ・ドルフィン２, AKA Ecco: The Tides of Time (Mega Drive - 1994)
Cover art for the Japanese version (Sources: mentioned by the artist on Twitter: 1, 2)
Forgotten Worlds (Master System - 1991)
Cover art (Source: mentioned by the artist on Twitter)
Laser Ghost (Master System - 1991)
Cover art (Source: signature found on an alternate cover of the European version)
Pepenga Pengo / ぺぺんがペンゴ (Mega Drive - 1995)
Cover art (Source: mentioned by the artist on Twitter)
Pro Yakyū GG League '94 / プロ野球ＧＧリーグ’９４ (Game Gear - 1994)
Cover art (Source: mentioned by the artist on Twitter)
Puzzle & Action: Tant-R / Puzzle & Action: タントアール (Mega Drive, Game Gear - 1994)
Cover art (Source: mentioned by the artist on Twitter: 1, 2)
Shin Souseiki Ragnacenty / 新創世紀ラグナセンティ, AKA Crusader of Centy / Soleil (Mega Drive - 1994)
Cover art for the Japanese version (Source: mentioned by the artist on Twitter: 1, 2)
Sonic the Hedgehog 2 / ソニック・ザ・ヘッジホッグ2 (1992)
Promotional illustration for the Japanese version (Source: mentioned by the artist on Twitter)
.Note: also used in South Korea as well as for the cover of the Sonic the Hedgehog Book
Space Harrier / スペースハリアー (Super 32X - 1994)
Cover art for the Japanese version (Source: mentioned by the artist on Twitter)
Tails' Skypatrol / テイルスのスカイパトロール (Game Gear - 1995)
Cover art (Source: confirmed by the artist in a private discussion)
Tatakae! Pro Yakyū Twin League / 闘え！プロ野球ツインリーグ (Game Gear - 1995)
Cover art (Source: mentioned by the artist on Twitter)
Wonder Boy III: Monster Lair / ワンダーボーイIII モンスター・レア (Mega Drive - 1990)
Cover art (Source: Sega TV Game Genga Gallery)
Harmony (Sega internal magazine) (~1993-94)
Illustrations (Source: signature found on each artwork)
SegaSonic the Hedgehog 1994 calendar (calendar - 1993)
Illustrations (Source: signature found on each artwork)
Osamu Muto recognized his style in the following 5 cover illustrations, but couldn't remember the illustrations themselves.
Alex Kidd in Shinobi World (Master System - 1990)
Cover art (Source: via Twitter)
Ecco The Dolphin CD / エコー・ザ・ドルフィンCD (Mega-CD - 1995)
Cover art for the Japanese version (Source: via Twitter)
Psycho Fox (Master System - 1989)
Cover art (Source: via Twitter)
Summer Games (Master System - 1990)
Cover art (Source: via Twitter)
World Games (Master System - 1990)
Cover art (Source: via Twitter)
Puzzle & Action: Ichidant-R / Puzzle & Action: イチダントアール (Mega Drive - 1994)
Cover art (Source: via Twitter)
Scramble Spirits (Master System - 1989)
Cover art (Source: via Twitter)
Sonic Drift 2 / ソニックドリフト2 (Game Gear - 1995)
Cover art (Source: via Twitter)
Space Harrier 3D / スペースハリアー3D (Mark III - 1988)
Cover art for the Japanese and the European versions (Source: via Twitter)
Basketball Nightmare
DJ Boy
Dynamite Headdy
Ecco The Dolphin
Ecco The Dolphin II
Forgotten Worlds
Laser Ghost
Pepenga Pengo
Pro Yakyū GG League '94
Puzzle & Action: Tant-R
Shin Souseiki Ragnacenty
Sonic the Hedgehog 2
Space Harrier
Tails' Skypatrol
Tatakae! Pro Yakyū Twin League
Wonder Boy III: Monster Lair
Harmony
SegaSonic the Hedgehog 1994 calendar (Note: Some illustrations are missing)