Darius Gaiden / ダライアス外伝 (PS1 - 1996)
Cover art (Source: mentioned by the artist on Twitter)
Dolucky no A. League Soccer / ドラッキーのAりーぐさっかー (SFC - 1994)
Cover art (Source: mentioned by the artist on Twitter)
Dolucky no Kusa Yakyu / ドラッキーの草やきう (SFC - 1993)
Cover art (Source: mentioned by the artist on Twitter)
Dragon Slayer: Eiyuu Densetsu / ドラゴンスレイヤー英雄伝説 (PC-88 - 1989, PC-98, FM Towns, MSX2 - 1990, PC Engine CD - 1991, SFC - 1992, Mega Drive - 1994)
Cover art (Source: mentioned by the artist on Twitter)
.Emblem Also used on the box of its sequel on SFC - 1993, Mega Drive - 1994,
GT Racing / ジーティーレーシング (SFC - 1996)
Cover art (Source: mentioned by the artist on Twitter)
Wolfenstein 3D / ウルフシュタイン ３Ｄ (SFC, PC-98 - 1994)
Cover art for the Japanese version (Source: credited on the back of the box)
Ys IV: The Dawn of Ys / イースIV The Dawn of Ys (PC Engine CD - 1993)
Cover art (Source: mentioned by the artist on Twitter)
Darius Gaiden
Dolucky no A. League Soccer
Dolucky no Kusa Yakyu
Dragon Slayer: Eiyuu Densetsu
GT Racing
Wolfenstein 3D
Ys IV: The Dawn of Ys