Editing Master System (section)

===Game Gear===
{{main|Game Gear}}
[[File:Sega-Game-Gear-FR.jpg|thumb|right|The Game Gear was based on the Master System's architecture.|alt=A picture of a Game Gear]]
Developed under the name "Project Mercury"<ref name="RetroGamer" /> and designed based on the Master System's hardware,<ref name="IGNGG">{{cite web|last=Buchanan|first=Levi|date=October 9, 2008|title=Remember Game Gear?|url=http://uk.retro.ign.com/articles/918/918381p1.html|url-status=dead|archive-url=https://web.archive.org/web/20100423010222/http://uk.retro.ign.com/articles/918/918381p1.html|archive-date=April 23, 2010|access-date=March 29, 2009|website=[[IGN]]|publisher=Ziff Davis}}</ref> the Game Gear is a [[handheld game console]]. It was first released in Japan on October 6, 1990,<ref name="encyclopedia">{{cite book|last=Forster|first=Winnie|title=The Encyclopedia of Game Machines: Consoles, Handhelds, and Home Computers 1972–2005|publisher=Magdalena Gniatczynska|isbn=3-00-015359-4|year=2005|page=139}}</ref> in North America and Europe in 1991, and in Australia and New Zealand in 1992.<ref name="RetroGamer" /> Originally retailing at JP¥19,800 in Japan,<ref name="encyclopedia" /> $149.99 in North America, and £99.99 in the United Kingdom,<ref name="RetroGamer" /> the Game Gear was designed to compete with the [[Game Boy]], which [[Nintendo]] had released in 1989.<ref name="allgamegg">{{cite web|last=Beuscher|first=David|title=Sega Game Gear – Overview|url=http://www.allgame.com/platform.php?id=25|url-status=dead|archive-url=https://web.archive.org/web/20141114094408/http://www.allgame.com/platform.php?id=25|archive-date=November 14, 2014|access-date=July 8, 2013|website=AllGame|publisher=All Media Network}}</ref> There are similarities between the Game Gear and the Master System hardware, but the games are not directly compatible; Master System games are only playable on Game Gear using the Master Gear Converter accessory.<ref name="Journal du lapin">{{Cite web|last=Dandumont|first=Pierre|date=2017-11-26|title=Ces jeux Game Gear qui sont en fait des jeux Master System|url=https://www.journaldulapin.com/2017/11/26/game-gear-master-system/| archive-url=https://ghostarchive.org/archive/20210930/https://www.journaldulapin.com/2017/11/26/game-gear-master-system/| archive-date=2021-09-30|access-date=July 7, 2020|website=journaldulapin.com|language=fr}}{{cbignore}}</ref> A large part of the Game Gear's game library consists of Master System ports. Because of hardware similarities, including the landscape screen orientation, Master System games are easily portable to the handheld.<ref name="RetroGamer" /> In particular, many Master System ports of Game Gear games were done by Tectoy for the Brazilian market, as the Master System was more popular than the Game Gear in the region.<ref name=":0" />