Here is the list of japanese Sega Saturn games that came packaged in a Medium CD Case. Instead of a 10.4 mm standard CD jewel case, these games came packaged with a thicker jewel case (about 12 mm). These cases allow thicker manual, extra goodies, etc. to be packaged with the game without taking too much space compared to double CD jewel cases.

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List of japanese games that came packaged in a Medium CD Case

Game(s) :
	Advanced V.G. [T-32501G]
	Advanced V.G. (Genteiban) [T-32506G]
	Baroque [T-33901G]
	Batsugun [T-20605G]
	Blue Breaker ~Ken Yori mo Hohoemi wo~ [T-4314G]
	Bokan to Ippatsu! Doronboo Kanpekiban [T-20607G]
	Bomberman Wars [T-14320G]
	Cat the Ripper ~13 Nin Me no Tantei Shi~ [T-35701G]
	Civilization ~Shin Sekai Shichi Dai Bunmei~ [T-2003G]
	Cotton 2 [T-9904G]
	CyberBots ~FullMetal Madness~ [T-1217G]
	CyberBots ~FullMetal Madness~ Chou Genteiban [T-1216G]
	D-Xhird [T-10307G]
	Daikoukai Jidai Gaiden [T-7657G]
	Daytona USA Circuit Edition [GS-9100]
	Dezaemon 2 [T-16804G]
	Digital Pinball Last Gladiators Ver.9.7 [T-18903G]
	Discworld [T-20502G]
	Dragon Force (Satakore) [GS-9145]
	Dragon Force II ~Kamisarishi Daichi ni~ [GS-9184]
	Dungeon Master Nexus [T-9111G]
	Farland Saga ~Toki no Michishirube~ [T-32509G]
	Farland Saga ~Toki no Michishirube~ (Genteiban) [T-32511G]
	Farland Story ~Habou no Mai~ [T-32505G]
	Fire Prowrestling S ~6Men Scramble~ (Satakore) [T-4316G]
	Free Talk Studio ~Mari no Kimamanao Shaberi~ (Blue Case) [T-20504G]
	Free Talk Studio ~Mari no Kimamanao Shaberi~ (Red Case) [T-20506G]
	Funky Fantasy [T-20002G]
	Gekka no Kishi ~Ouryuusen~ [T-20606G]
	Gensou Suikoden [T-9525G]
	Ginga Eiyuu Densetsu Plus [T-22303G]
	GranDread [T-20603G]
	Gyuwanburaa Jikochuushinha ~Tokyo Mahjongland~ [T-4504G]
	Gyuwanburaa Jikochuushinha ~Tokyo Mahjongland~ (Satakore) [T-4508G]
	Hop Step Idol [T-20507G]
	I Love Mickey Mouse ~Fushigi no O Shiro Daibouken~ / I Love Donald Duck ~Georgia Ou no Hihou~ [GS-9179]
	Ide Yousuke Meijin No Shin Jissen Maajan [T-1208G]
	Ishin no Arashi [T-7645G]
	J. League Pro Soccer Club wo Tsukurou! 2 [GS-9168]
	J. League Pro Soccer Club wo Tsukurou! 2 (Satakore) [GS-9206]
	K-1 Fighting Illusion Shou [T-26102G]
	K-1 Fighting Illusion Shou (Satakore) [T-26113G]
	Kidou Senshi Gundam Gihren no Yabou [T-13330G]
	Kidou Senshi Gundam Gihren no Yabou (Shokai Genteiban) [T-13327G]
	Kouryuu Sangoku Engi [T-26104G]
	Langrisser Dramatic Edition [T-2507G]
	Langrisser III (Genteiban) [T-2504G]
	Lunar Silver Star Story MPEG Ban [T-27904G]
	Madou Monogatari [T-6607G]
	Mahoutsukai ni Naru Houhou [T-32510G]
	Master of Monsters ~Neo Generations~ [T-6301G]
	Mouri Motonari ~Chikai no Sanshi~ [T-7646G]
	No-appointment Gals Olympos (Shokai Gentei Cell Ga Package A) [T-4304G]
	No-appointment Gals Olympos (Shokai Gentei Cell Ga Package C) [T-4307G]
	Nobunaga no Yabou Sengoku Gunyuuden [T-7658G]
	Nobunaga no Yabou Shouseiroku [T-7664G]
	Nobunaga no Yabou Tenshouki with Power-Up Kit [T-7643G]
	Pad Nifty 1.1 & Habitat II [GS-7109]
	Princess Quest (Tokubetsu Genteiban) [T-24604G]
	Pro Yakyuu Greatest Nine '98 [GS-9185]
	Pro Yakyuu Greatest Nine '98 (Satakore) [GS-9208]
	Pro Yakyuu Team mo Tsukurou! [GS-9165]
	Puyo Puyo Sun [T-6603G]
	Puyo Puyo Sun (Satakore) [T-6609G]
	Riglord Saga 2 [GS-9084]
	Rockman 8 ~Metal Heroes~ (Satakore) [T-1237G]
	Sangokushi IV with Power-Up Kit [T-7644G]
	Sangokushi Koumeiden [T-7629G]
	Sangokushi Koumeiden (Premium Pack) [T-7651G]
	Sankyo Jikki Simulation S [T-32102G]
	SD Gundam G Century S [T-13324G]
	Sega Worldwide Soccer '98 [GS-9187]
	Senkutsu Katsuryuu Taisen Chaos Seed (Satakore) [T-30904G]
	Shin Theme Park [T-10618G]
	Shingata Kururin Pa! [T-24202G]
	Shinseiki Evangelion (Shin Package) [GS-9141]
	Shinsetsu Samurai Spirits Bushidou Retsuden [T-3112G]
	Söldnerschild [GS-9155]
	Sotsugyou III Wedding Bell (Shokai Gentei!) [T-10506G]
	Sound Novel Tsukuru 2 [T-2108G]
	Standby Say You! (Shokai Gentei Special Package 2) [T-4312G]
	Standby Say You! (Shokai Gentei Special Package 3) [T-4311G]
	Street Fighter Zero 2 [T-1212G]
	Suikoden Tendou 108 Sei [T-7656G]
	Super Robot Taisen F [T-20610G]
	Super Robot Taisen F Kanketsuhen [T-20612G]
	Syouryu Sangoku Engi [T-15009G]
	Techno Motor [T-37601G]
	Techno Motor (Satakore) [T-37602G]
	Tenka Seiha [T-15030G]
	Terra Phantastica [GS-9054]
	Terra Phantastica (Satakore) [GS-9176]
	Theme Park [T-10605G]
	Tilk ~Aoi Umi Kara Kita Shoujo~ [T-32508G]
	Tokusou Kidoutai J SWAT [T-20602G]
	Transport Tycoon [T-15028G]
	Uno DX [T-26414G]
	Vandal Hearts ~Ushinawareta Kodaibunmei~ [T-9526G]
	Wachenröder [GS-9183]
	Waku Waku Puyo Puyo Dungeon [T-6606G]
	Winning Post 2 Final '97 [T-7647G]
	Winning Post 3 [T-7660G]
	Winning Post 3 Program '98 [T-7671G]
	Zen Nihon Pro Wres Featuring Virtua [GS-9158]
	Zen Nihon Pro Wres Featuring Virtua (Satakore) [GS-9205]
	Zoku Gussun Oyoyo [T-20604G]

(106 entries so far)