Doom (1993 video game)
Doom (typeset as DOOM in official documents and stylized as DooM in other media) is a 1993 first-person shooter (FPS) video game by id Software. It is considered one of the most significant and influential titles in video game history, for having helped to pioneer the now-ubiquitous first-person shooter. The original game was divided into three nine-level episodes and was distributed via shareware and mail order. The Ultimate Doom, an updated release of the original game featuring a fourth episode, was released in 1995 and sold at retail.
Doom II RPG
Doom II RPG is a first-person shooter role-playing video game, the sequel to "Doom RPG". It was released for mobile phones on November 23, 2009 and for iPhones on February 8, 2010. It uses the "Wolfenstein RPG" engine and was developed by id partners Fountainhead Entertainment via the merger id Mobile.