About

<h2>Overview</h2><p>Honkaku Yo-nin Uchi Pro Mahjong: Mahjong Ou (loosely translated to "Authentic 4-Player Hit Mahjong: Mahjong King") is a <a href="/mahjong/3015-6519/" data-ref-id="3015-6519">riichi mahjong</a> game developed by <a href="/warashi/3010-1420/" data-ref-id="3010-1420">Warashi</a> (along with Mahjong Kobo) and released by <a href="/taito-corporation/3010-135/" data-ref-id="3010-135">Taito</a> for <a href="/arcade/3045-84/" data-ref-id="3045-84">arcades</a> (using their <a href="/playstation/3045-22/" data-ref-id="3045-22">PS1</a>-based <a href="/sony-zn-1/3015-11779/" data-ref-id="3015-11779">Taito G-NET</a> hardware) in Japan in 1999.</p><p>One of the few arcade games at the time to support the traditional four-player version of riichi mahjong, Mahjong Ou features the likenesses of 12 professional mahjong players and a game <a href="/artificial-intelligence/3015-218/" data-ref-id="3015-218">A.I.</a> that is advertised as both strong and fast. It features a story mode where players play against various mahjong professionals in order to get their autographs.</p><p>The game later received a port to the <a href="/playstation/3045-22/" data-ref-id="3045-22">Sony PlayStation</a> on May 25, 2000, published by Warashi. This version includes a revamped interface. It later received a <a href="/playstation-portable/3045-18/" data-ref-id="3045-18">PSP</a> sequel in 2006, known as <a href="/honkaku-yo-nin-uchi-pro-mahjong-mahjong-ou-portabl/3030-87879/" data-ref-id="3030-87879">Honkaku Yo-nin Uchi Pro Mahjong: Mahjong Ou Portable</a>.</p><p>The game also received a handheld adaptation for the <a href="/game-boy-color/3045-57/" data-ref-id="3045-57">Game Boy Color</a> on February 19, 1999 under the name <em>Honkaku Yo-nin Uchi Mahjong: Mahjong Oh</em>. Developed and published by Warashi, this version later received a spin-off known as <a href="/mahjong-jo-ou/3030-87867/" data-ref-id="3030-87867">Mahjong Jo-ou</a> ("Mahjong Queen").</p>