Question: What type of films are both 'Murderball' and 'Welcome to Nollywood'? 

Context articles: Chiwetalu Agu
Dead Nation
Welcome to Nollywood
Murderball (film)
Welcome to Wonderland (Wonder Girls documentary)
Stephen Marley (musician)
Edward Tony Green
This Is Nollywood
Alhóndiga (building)
Shan George

Chiwetalu Agu (born 1956) is a veteran Nigerian actor, comedian and movie producer who won the 2012 Nollywood award for 'best actor in indigenous movie (non-English speaking language)'.
 His usage of specific language slang, phrases or clichés in each film has made him uniquely a household name in Nigeria and among Nollywood admirers abroad.
 While asserting that comic genres is a unique vehicle in projecting Nigerian culture globally as well as establishing the Nollywood brand, Agu is listed as one of the outstanding comedians who have contributed to the development of Nollywood comic genres by Prof. Femi Shaka of the University of Port Harcourt.
Dead Nation is a top-down shoot 'em up video game for the PlayStation 3 developed by video game developer Housemarque.
 It was released on November 30, 2010 in North America, and December 1 in Europe, on PlayStation Network.
 "Dead Nation" takes place in a world afflicted by a zombie apocalypse.
 The player can play as a male or female character and fight different types of zombies.
 "Dead Nation" was one of the games given by Sony as part of their 'Welcome Back' package because of the PlayStation Network outage.
 In February 2014 a PlayStation 4 version of the game titled the "Apocalypse Edition" was announced.
 The original "Road of Devastation" downloadable content was included for the PS4 version, and the game was free for PlayStation Plus subscribers in March 2014.
Welcome to Nollywood is a 2007 documentary film directed by Jamie Meltzer, which premiered at the Full Frame Documentary Film Festival, and also played at the Avignon Film Festival and the Melbourne International Film Festival in the summer of 2007.
Murderball is a 2005 American documentary film about athletes who are physically disabled who play wheelchair rugby.
 It centers on the rivalry between the Canadian and U.S. teams leading up to the 2004 Paralympic Games.
 It was directed by Henry Alex Rubin and Dana Adam Shapiro, and produced by Jeffrey V. Mandel and Shapiro.
 It was nominated for Best Documentary Feature for the 78th Academy Awards.
 "Murderball" was the first MTV film released through ThinkFilm as well as Participant Media.
Mnet's program 'Welcome To Wonderland' is a documentary about the Wonder Girls daily life.
 The show first aired on March 6, 2009 and covers their world tour which started March 2 in Thailand, then moved to America and finally back to Korea.
 The show showcases all aspects of their performance from being in the meeting room to learning choreography to actually performing on stage.
Stephen Robert Nesta "Raggamuffin" Marley (born April 20, 1972) is a Jamaican American musician, who is the son of Bob Marley and his wife Rita Marley.
 Stephen is an eight-time Grammy award winner, three times as a solo artist, twice as a producer of younger brother Damian Marley's 'Halfway Tree' and 'Welcome to Jamrock' albums, and a further three times as a member of Ziggy Marley & The Melody Makers.
Tony began playing the bass at 14 years old.
 After forming his band in 1971, the Roadwork crew, Tony’s passion for the music business grew tremendously.
 In 1975, L.J. Reynolds from The Dramatics noticed Tony’s talent playing at a local club in Detroit.
 After auditioning for The Dramatics, Tony earned the bass players position in the group.
 Tony played bass, wrote, and produced many of their many of their hits including four songs from The Dramatic’s only gold album ‘Do What You Wanna Do’, as well as their last top 10 song ‘Welcome Back Home’.
This Is Nollywood is a 2007 Nigerian documentary film by Franco Sacchi and Robert Caputo, detailing the Nigerian film industry, much along the same lines as the acclaimed 2007 documentary "Welcome to Nollywood" by Jamie Meltzer
An alhóndiga (from Medieval Spanish "alfónbiga", in turn from Arabic "al-fondaq", this in turn from Greek "pandocheion", lit.: 'welcome all') or almudí, almudín, alholí or public house or neighbors' market was formerly an establishment where grain was sold, bought and even stored, whose purpose was to help the neighbors and mainly the farmers in times of shortage.
Shan George is a Nollywood actress, singer, film producer and director.
 Prior to debuting in the movie "Thorns of Rose", she had previously featured in a 1997 soap opera titled "Winds of Destiny".
 She is best known for her role in the movies "Outkast" and "Welcome to Nollywood".