Question: Downfall and Roulette, are which type of entertainment?

Context articles: Russian Roulette (Red Velvet EP)
Casino de Port-Gentil
Premija (Dado Polumenta song)
Love Lies Bleeding (TV drama)
Roulette
IWRG Ruleta de la Muerte
Spica (band)
Downfall (game)
Rhythm For Sale
O'Sheas Casino

Russian Roulette is the third extended play by South Korean girl group Red Velvet.
 It was released on September 7, 2016 by SM Entertainment.
Casino de Port-Gentil is a casino in Port-Gentil, Gabon.
 It is located just north of Saint Louis Church and the École Mixte.
 The casino forms part of an entertainment complex in the city which includes "Le Galion" next door, the Supermarche Casino across the street and the City Sport Centre.
 It opens at 10pm from Thursday to Sunday and features blackjack, roulette, poker and slot machines.
Premija (English:Premium) is a duet song recorded by Montenegrin singer Dado Polumenta featuring Serbian recording artist Nikolija.
 It was in Polumenta’s recognizable pop-folk style, but it was different than Nikolija’s previous work.
 Toxic entertainment did the music video, in which Dado and Nikolija are shown as con-artists in a casino.
 Dado works as a security guard and Nikolija is gambling on the roulette wheel.
Love Lies Bleeding is a two-part British thriller crime drama, first broadcast on ITV between 27 and 28 February 2006.
 The programme follows the story of self-made millionaire Mark Terry (Martin Kemp), whose life is turned upside down by the unexpected return of an old school friend, Stuart Milburn (Hugo Speer), who is determined to seek revenge for Terry's failure to acknowledge his part in the manslaughter of their schoolteacher, who collapsed and died after a schoolboy prank went horribly wrong.
 As Milburn sets up a chain of events to ensure Terry's downfall, he finds he is slowly running out of friends - or people to turn to, and his only hope is to go on the run.
 The programme was broadcast over two nights, with each part earning 5.81 and 4.56 million viewers respectively.
 "Love Lies Bleeding" was released on DVD in Australia on 3 September 2009 by Roadshow Entertainment.
Roulette is a casino game named after the French word meaning "little wheel".
 In the game, players may choose to place bets on either a single number or a range of numbers, the colors red or black, or whether the number is odd or even, or if the numbers are high (19–36) or low (1–18).
In "Lucha libre", the Mexican version of professional wrestling, the Ruleta de la Muerte ("Roulette of Death") is a type of professional wrestling tournament where the loser or losers of a match would advance in the tournament instead of the winners.
 The finals of a "Ruleta de la Muerte" tournament featured the losing teams wrestle each other under "Lucha de Apuestas", or "bet match" rules, where the loser would be forced to either unmask or have all their hair shaved off as a result.
 Various Mexican promotions have held "Ruleta de la Muerte" tournaments; some like International Wrestling Revolution Group (IWRG - sometimes referred to as "Grupo Internacional Revolución" in Mexico) have held these tournaments on a regular basis.
Spica (, stylized as SPICA) was a South Korean girl group formed in 2012 under B2M Entertainment.
 The group consists of Kim Boa, Park Sihyun, Park Narae, Yang Jiwon and Kim Bohyung.
 Their pre-debut single "Doggedly" was released on January 10, 2012, followed by their debut mini-album, "Russian Roulette", on February 8, 2012.
 They officially disbanded on February 6, 2017.
Downfall is a two-player game for players aged 7 and older, first marketed by the Milton Bradley Company in 1970.
Rhythm For Sale is biography about the life and times of performer, choreographer, director Leonard Harper.
 Rhythm For Sale chronicles Harper rise from an unknown child performer to Broadway's top black theater director.
 In 1921 the Schubert Brothers signed Harper with his partner and future wife Blanks to be the first Black act to tour the all-white Schubert circuit of theaters.
 In 1923 Leonard Harper showcases his Cabaret Floorshows and black musical comedies in Harlem's Cotton Club and his mainstay Connie's Inn and the Lafayette Theater.
 The tome details how Leonard Harper and black filmmaker Oscar Micheaux direct the first all-black talkie motion picture "The Exile" in 1931 and all of his works inaugurating the Apollo Theater and the main in-house producer/director.
 "Rhythm For Sale" explores Leonard Harper's downfall as his work becomes limited to just small-time Harlem nightclubs.
 His 1943 death from a heart attack while rehearsing his Harperettes chorus line is revealed and his funeral at the Abyssinian Baptist Church is surveyed.
"Rhythm For Sale" was authored by Leonard Harper's grandson Grant Harper Reid.
 The book is in the non-fiction genre and was published by Grant Harper Reid/Createspace.
 The media type is in both print and E-book.
 Rhythm For Sale has a total of 300 pages and the revised edition was published on August 11, 2014.
 ISBN
O'Sheas Casino is a casino located within The Linq on the Las Vegas Strip in Paradise, Nevada.
 As part of The Linq, it is owned and operated by Caesars Entertainment Corporation and is connected on the exterior to a shopping/dining promenade, also owned by Caesars.
 The revitalized O'Sheas has three bars - the main Dublin Up Bar, the Lucky Bar and the exterior-facing Blarney Bar.
 The casino includes beer pong tables, a stage, a dance floor and a pit with games including blackjack, roulette, and craps.