Obscure Game Aestheticsさんのイラストまとめ

Steam Slug (2009)

Developed by Openoko Entertainment.

Exalight (2008)

Developed by F4.

Road Avenger / Road Blaster (1985)

Developed by Data East.

The game was also ported to the Nintendo DS, with a different name: "Last King of Africa".

A book titled "Lost Paradise of Maurania" has also been published and contains many of the illustrations by Benoît Sokal made for the game.

Torin's Passage (1995)

Developed by Sierra On-Line.

HAMLET (1993)

Developed by Panther Software.

Bonus: I also found a collaborative artwork between XI and Doko Demo Issho, with the character Toro (who was for a long time Sony's mascot, at least in Japan).

Bombastic / Xi Go (2002)

Developed by Shift.

...Iru! (or "...They're here!") is a survival horror for the PS1. We play as a high school student who finds himself trapped in the school after witnessing the violent murder of his classmate.
The game is in real time 3D, and was mainly inspired by the success of Resident Evil.

...Iru! (1998)

Developed by Soft Machine.