Question: Dark•Matter was a campaign published by the company that acquired what other gaming business in 1998?

Context paragraphs:
Akira Morikawa: Akira Morikawa (森川亮 , Morikawa Akira , born the 13 of january in 1969) is the current president of NHN Corporation.  Morikawa joined Nippon Television Network Corporation after graduating from the University of Tsukuba in 1989.  While serving for the systems division at the TV firm, he got involved in a wide range of media businesses from online advertising and video distribution, mobile service, international broadcast, to BS digital broadcast.  Received a Master of Business Administration (MBA) degree from Aoyama Gakuin University in 1999.  Joined Sony Corp. in 2000, where he was in charge of new mobile content and broadband businesses and was responsible for overall content business, including business/service planning and sales.  Joined Hangame Japan (predecessor of NHN Japan) in 2003, where he served as general manager overseeing overall gaming business and then as director, before becoming vice president in October 2006.  Appointed president in October 2007 and doubled as president of newly established Naver Japan the following month.  Remained president of NHN Japan after the company, Naver Japan and Livedoor Co. merged to form the NHN Japan group in January 2012.

Cannery Casino Resorts: Cannery Casino Resorts is a Spring Valley, Nevada based gaming business that develops and manages hotels and casinos across the country.  CCR is owned by Boyd Gaming.

Alternity: Alternity is a science fiction role-playing game (RPG) published by TSR in 1998.  Following the acquisition of TSR by Wizards of the Coast, the game was discontinued in 2000 as part of a broader rationalisation of TSR's business holdings, but it retains a small and devoted fanbase.  Parts of "Alternity" as well as TSR's classic "Star Frontiers" game have been incorporated into the "d20 Modern" game, especially the "d20 Future" setting.  The first campaign setting for the "Alternity" game, the "Star*Drive" setting, was introduced in 1998.

Caesars World: Caesars World was a casino operator.  It began as Lum's Inc., owner of the Lum's chain of restaurants.  It shifted into the gaming business with the purchase of Caesars Palace on the Las Vegas Strip in 1969, selling off the restaurants and changing its name.  Caesars grew to eight casinos and resorts over the years, until going through a series of ownership changes beginning in 1995, and was ultimately absorbed by Park Place Entertainment in 1999.

DB-SOFT: dB-SOFT Inc. (デービーソフト株式会社 ) was a Japanese software development company that was in business from 1980 to 2003 based in Sapporo, Hokkaido.  They started as a video game developer, releasing titles for various home computer platforms (including the Family Computer), but subsequently left the gaming business to focus solely on programming software and tools as they entered the 1990s.

Dark•Matter: Dark•Matter is a science fiction/conspiracy theory campaign setting that was originally published in 1999 by Wizards of the Coast as the second campaign setting for the "Alternity" role-playing game.  It was written by Wolfgang Baur and Monte Cook.  It was later converted to "d20 Modern" rules and published as a stand-alone book in 2006.

Dan Tanenbaum: Dan Tanenbaum is a Canadian artist, collector, and entrepreneur.  He owned the portfolio website portfolios.com from 2003 to 2008, and founded Bump 50:50, a charitable online gaming business, in 2009.  Tanenbaum sold Bump to Sportech in 2014, continuing to act as its president.  He is a noted collector of vintage watches, and also crafts miniature motorcycles and encrusts various pieces with vintage watch parts.

List of Crystal Dynamics video games: Crystal Dynamics is an American video game developer that was founded in 1992 by Judy Lang, Madaline Canepa and Dave Morris.  Based in the San Francisco Bay Area, California, Crystal Dynamics was the first licensed developer for Panasonic's original 3DO console, a gaming hardware platform founded by Kleiner Perkins.  Their first release, "Crash N Burn", was a launch game for the system and was included as a pack-in game with the console.  The 3DO's launch during the 1993 Christmas season was a commercial failure, severely damaging Crystal Dynamics' software strategy.  In 1994, the company became a publisher for two new gaming platforms, the PlayStation and the Sega Saturn.  The studio was acquired by Eidos Interactive, a British video game publisher, in 1998.  After Square Enix acquired Eidos in 2009, Crystal Dynamics became a subsidiary of Square Enix.

Skycity Entertainment Group: SKYCITY Entertainment Group is an entertainment and gaming business owning and operating monopoly casinos in New Zealand (Auckland, Hamilton and Queenstown) and Australia (Adelaide and Darwin), alongside a variety of restaurants and bars, luxury hotels, convention centres and Auckland's Sky Tower.

Jeff Hickman: Jeff Hickman is a video game designer, producer and customer support specialist currently working as the executive producer of live services for BioWare.  His main task is to oversee the live services and operations of .  Hickman entered the gaming business in 2001 working for Mythic Entertainment as their director of customer support for the MMORPG "Dark Age of Camelot".  In 2005, he was promoted to executive producer, for DAOC.  In 2006, he became the executive producer of "".  In January 2011 Hickman was named executive producer of live services for Bioware.

Supporting paragraphs: Dark•Matter Alternity
Answer: TSR