Question: Knight Move and Tetris, are which type of entertainment?

full_context: Document 1: Tetris: Tetris (Russian: Те́трис , pronounced ] ) is a tile-matching puzzle video game, originally designed and programmed by Russian game designer Alexey Pajitnov. It was released on June 6, 1984, while he was working for the Dorodnitsyn Computing Centre of the Academy of Science of the USSR in Moscow. He derived its name from the Greek numerical prefix "tetra-" (all of the game's pieces contain four segments) and tennis, Pajitnov's favorite sport.
Document 2: Knight Moves (video game): Knight Moves is a puzzle video game released for Windows in 1995. It is based on a similar game, "Knight Move" (note that "Move" is singular in this version) created by Alexey Pajitnov of "Tetris" fame, though he had no part in the creation of this game.
Document 3: Magic Knight: Magic Knight is a computer game character created by freelance programmer David Jones in his 1985 game "Finders Keepers" for the Mastertronic budget label. "Finders Keepers" is a flip-screen platform game released on the ZX Spectrum, Amstrad CPC, MSX and Commodore 64. The game spawned three more ambitious sequels (also starring Magic Knight) on the Mastertronic Added Dimension budget label: "Spellbound" (1985), "Knight Tyme" (1986) and "Stormbringer" (1987). The three sequels are far less action-orientated, being effectively graphic adventure games that use a basic menu system (dubbed "Windimation") to interact with characters and items instead of typed commands.
Document 4: Tetris (Atari): Tetris (styled TETЯIS) is a puzzle game developed by Atari Games and originally released for arcades in 1988. Based on Alexey Pajitnov's "Tetris", Atari's version features the same gameplay as the computer editions of the game, as players must stack differently shaped falling blocks to form and eliminate horizontal lines from the playing field. The game features several difficulty levels and two-player simultaneous play.
Document 5: Puyo Puyo Tetris: Puyo Puyo Tetris (ぷよぷよテトリス , Puyopuyo Tetorisu ) is a puzzle video game developed by Sonic Team and published by Sega. The game is a crossover between the "Puyo Puyo" series and the "Tetris" franchise, and features various gameplay modes incorporating both aspects. The game includes characters modeled after the seven Tetrominos, which are different puzzle pieces each made of four blocks.
Document 6: Vadim Gerasimov: Vadim Gerasimov (Russian: Вадим Герасимов ) is an engineer at Google. In 1994-2003 Vadim worked and studied at the MIT Media Lab. At age 16 he was one of the original co-developers of the famous video game "Tetris": he ported Alexey Pajitnov's original game to the PC architecture and the two later added features to the game. Vadim earned a BS/MS in applied mathematics from Moscow State University in 1992 and a Ph.D. from MIT in 2003.
Document 7: Tetris Ultimate: Tetris Ultimate is a puzzle video game developed by SoMa Play and published by Ubisoft. Ubisoft partnered with The Tetris Company to develop the game to celebrate the 30th anniversary of the "Tetris" franchise.
Document 8: Tetris Online, Inc.: Tetris Online, Inc. is a video game developer and publisher based in Honolulu, Hawaii. The company is the exclusive online licensee of Tetris in North America and Europe. Founded in January 2006 by Nintendo of America founder and former president Minoru Arakawa, video game designer and publisher Henk Rogers and Tetris creator Alexey Pajitnov, Tetris Online, Inc. is the developer of social games Tetris Battle and Tetris Friends. In March 2013, it was revealed in a Newspaper article that Tetris Online had laid off 40% of its staff.
Document 9: Hexic: Hexic is a 2003 tile-matching puzzle video game developed by Carbonated Games for various platforms. In Hexic, the player tries to rotate hexagonal tiles to create certain patterns. The game is available on Windows, Xbox 360, Windows Phone, and the web. The game was designed by Alexey Pajitnov, best known as the creator of "Tetris". While most earlier releases of the game were developed by Carbonated Games, the most recent version released for Windows and Windows Phone is developed by Other Ocean. The name is a pun on the word "hectic" and "hexagons".
Document 10: The Tetris Company: The Tetris Company, LLC (TTC) is based in Hawaii and is owned by Henk Rogers and Alexey Pajitnov. The company is the exclusive licensee of Tetris Holding LLC, the company that owns Tetris rights worldwide and the Tetris Company licenses the Tetris brand to third parties.
Document 11: Knight Move: Knight Move (ナイト・ムーブ ) is a puzzle-platform game created by Alexey Pajitnov (the creator of "Tetris") for the Famicom Disk System in 1990. A similar but notably different game by the name of "Knight Moves" (note that "Moves" is now plural) was released in 1995 for Microsoft Windows.
Document 12: Pandora's Box (1999 video game): Pandora's Box is a 1999 video game created by the designer of Tetris, Alexey Pajitnov, for Microsoft.
Document 13: Tetris (Game Boy): Tetris (テトリス , Tetorisu ) is a puzzle video game for the Game Boy released in 1989. It is a portable version of Alexey Pajitnov's original Tetris and it was bundled in the North American and European releases of the Game Boy itself. It was the first game compatible with the Game Link Cable, a pack-in accessory that allowed two Game Boys to link together for multiplayer purposes. A colorized remake of the game was released on the Game Boy Color entitled Tetris DX (テトリス デラックス , Tetorisu Derakkusu ) . A Nintendo 3DS Virtual Console version of "Tetris" was released in December 2011 and lacks the multiplayer functionality. It was delisted from the Nintendo eShop after December 31, 2014.
Document 14: The New Tetris: The New Tetris is a puzzle video game for the Nintendo 64. The game was developed by H2O Entertainment and published by Nintendo, based on the latter's popular "Tetris" series. The game was originally released on July 31, 1999, in North America.
Document 15: Tetris: The Grand Master: Tetris: The Grand Master (テトリス ザ・グランドマスター , Tetorisu: Za Gurando Masutā ) is a series of puzzle games created by Arika based on the popular "Tetris" license. The Grand Master series introduced several play mechanics to "Tetris" gameplay which can be seen today in its sequels and many other "Tetris" implementations.
ground_truth: game