Oops!
You suddenly come across an archive of over 11 GB of concept art, articles, photos and screenshots of cancelled games or versions in development.
Cover art for the first Game Gear episode of X-Men. Jim Steranko did the layout while Dave DeVries painted the final illustration. https://comics.ha.com/itm/video-games/video-game-art/dave-devries-x-men-illustration-original-art-1993-/a/18093-13536.s
2 concept art for an unreleased Sega STI game called "Aces" made by the late Tony DeZuniga. https://comics.ha.com/itm/original-comic-art/tony-dezuniga-aces-preliminary-video-game-illustration-original-art-sega-1980s-/a/322212-49042.s?ic4=GalleryView-Thumbnail-071515 https://comics.ha.com/itm/original-comic-art/tony-dezuniga-aces-preliminary-video-game-illustration-original-art-sega-1980s-/a/322212-49038.s?ic4=GalleryView-Thumbnail-071515
Capcom Calendar 2023 illustrated by Ryūta Fuse / 布施龍太https://www.capcom-games.com/ja-jp/20221129/caledar-campaign/
Contra 3: The Alien Wars Original Soundtrack illustration by Paul Mann https://comics.ha.com/itm/miscellaneous//p/7348-13003.s?ic4=GalleryView-Thumbnail-071515
The Adventures of Willy Beamish promotional illustration by Greg Winters: https://comics.ha.com/itm/video-games/greg-winters-the-adventures-of-willy-beamish-multi-platform-video-game-original-advertisemen/p/7348-15014.s?ic4=GalleryView-Thumbnail-071515
Bubble and Squeak promotional illustration by the late Greg Martin: https://comics.ha.com/itm/miscellaneous//p/7348-22010.s?ic4=GalleryView-Thumbnail-071515
1993 Sonic calendar illustrations by Duncan Gutteridge:
https://comics.ha.com/itm/miscellaneous//p/7348-21004.s?ic4=GalleryView-Thumbnail-071515 https://comics.ha.com/itm/miscellaneous//p/7348-21003.s?ic4=GalleryView-Thumbnail-071515
Cover art for the NES version of Bionic Commando by Frank Cirocco: https://comics.ha.com/itm/original-comic-art/frank-cirocco-bionic-commando-nes-video-game-original-painted-box-art-capcom-1988-/p/7348-81001.s?ic4=GalleryView-Thumbnail-071515
Victory Road arcade cabinet illustration by Frank Cirocco: https://comics.ha.com/itm/miscellaneous//p/7348-15013.s?ic4=GalleryView-Thumbnail-071515
Sketch made for the cover illustration of the Game Boy version of Centipede by Frank Cirocco: https://comics.ha.com/itm/miscellaneous//p/7348-15011.s?ic4=GalleryView-Thumbnail-071515
Cover art for the 1995 game The Scroll by the late Lawrence Fletcher https://comics.ha.com/itm/miscellaneous//p/7348-15018.s?ic4=GalleryView-Thumbnail-071515
TMNT Turtles in Time (Japanese version) + Hyperstone Heist (European version) cover art by Steve Lavigne, presumably inked by Ryan Brown: https://comics.ha.com/itm/miscellaneous//p/7348-21001.s?ic4=GalleryView-Thumbnail-071515
Preliminary artwork for the cover of Shadow Master (1998), pencilled by Rodney Matthews. Shadow Master is known as one of the first (if not the first) 3D game in which you control the camera with the right analog stick, thanks to the DualShock. https://www.comicartfans.com/GalleryPiece.asp?Piece=808190
Excerpt from a storyboard drawn by Patrick Clark for a Mario game pitched to Nintendo by Boss Game Studios (Stunt Racer 64) for the Nintendo 64. https://www.comicartfans.com/GalleryPiece.asp?Piece=1296786
Concept art for Epic Donald, the cancelled sequel to Epic Mickey, by Pat Block: https://www.comicartfans.com/GalleryPiece.asp?Piece=1614051
Some of the sketches drawn for Phantasy Star 1 and shown during the TGS 2003. http://segamania.net/back/2003/bn030921.html