Mortal Kombat is a series of fighting games created by Ed Boon and John Tobias. Originally planned as a game based on Jean-Claude Van Damme the creators decided to make a game based loosely on Enter the Dragon. This idea morphed into a fighting game that starred digitally captured martial artists in its first three installments.

LittleBigPlanet is a series of user generated content driven platforming games originally developed by Media Molecule. It is exclusive to the PlayStation family of platforms. Every game in the series puts a strong emphasis on user generated content and are based on the main slogan "Play, Create, Share". 

Silent Hill is a series of survival horror games created by Konami. During the development of the first Silent Hill game, Konami was looking to mimic the success that Capcom had gained with the Resident Evil series, which is quite evident in the franchise's first installment, but Silent Hill quickly evolved into something dramatically more emotional and moving. The series has become well known for its haunting music and gripping stories, and these very factors have set it apart from other horror franchises.

The most popular part of the Metal Gear, the MGS sub-series began with Metal Gear Solid, which was named as such to indicate the move to 3D graphics. While the gameplay and plot elements remained largely identical to its 2D predecessor Metal Gear 2: Solid Snake, MGS's biggest leap was in terms of presentation, relying on fully-voiced 3D cut-scenes to present the cinematic narrative, not to mention the addition of an early cover system.

Portal is a puzzle-platformer franchise developed by Valve, which is set in the Half-Life universe. The series relies on solving puzzles with portals and has gained both critical and financial success.

Marl Kingdom or Marl's Kingdom s a series of Japanese RPGs developed by Nippon Ichi Software. The three main games in the series are Rhapsody: A Musical Adventure, Little Princess: Marl Ōkoku no Ningyō Hime 2, and Tenshi no Present: Marl Ōkoku Monogatari.

Devil May Cry is an Action Hack and Slash game with emphasis on flashy gameplay. Originally, development was started as Resident Evil 4 but after quite a bit of work, it became apparent that the game they had created was not a Resident Evil game. The gameplay was too fast, the main character was too powerful and the atmosphere not scary enough. The game was instead rebranded as Devil May Cry with a demo disk first released as bonus to those who bought Resident Evil: Code Veronica X.