Plot: Megami Tensei Gaiden: Last Bible is a role-playing video game series developed by Multimedia Intelligence Transfer, Sega, and Menue, and published by Atlus and Sega for multiple platforms. Wikipedia
Plot: Sylvan Tale is an action-adventure game developed and published by Sega for the Game Gear. It was released exclusively in Japan in 1995, however currently there is an English patch for the game released by Aeon Genesis. Wikipedia
Plot: The G.G. Shinobi is a side-scrolling action game by Sega released for the Game Gear in 1991. It was the first Shinobi game developed specifically for a portable game platform. Wikipedia
Plot: Baku Baku Animal is a falling block puzzle arcade game released by Sega in 1995. Outside Japan, the game was released as simply Baku Baku, though the media still commonly referred to it as Baku Baku Animal. The game is dedicated as Sega's first ever Network Compatible PC Game. Wikipedia
Plot: Shining Force Gaiden: Final Conflict is a 1995 tactical role-playing game for the Game Gear, taking place between the games Shining Force and Shining Force II. It was released after both games, with the intention of connecting their plots. Wikipedia
Plot: Shining Force: The Sword of Hajya, released in Japan as Shining Force Gaiden II: Jashin no Mezame, is a 1993 tactical role-playing game for the Sega Game Gear. It is not to be confused with Shining Force II, as this Gaiden II is the sequel to the original Shining Force Gaiden. Wikipedia
Plot: Shining Force Gaiden: Ensei Jashin no Kuni he is a 1992 tactical role-playing game released only in Japan for the Sega Game Gear. It takes place 20 years after the Shining Force, and is the first game in the Shining Force Gaiden series. Wikipedia
Plot: Kyūyaku Megami Tensei is a remake of both Megami Tensei and Megami Tensei II for Super Famicom. It was released only in Japan in 1995 after Shin Megami Tensei if... and on the heels of Majin Tensei II: Spiral Nemesis.