Lasting  games in the past century
Magic - The Gathering

This simple looking card game transformed the industry quickly leading to huge tournaments culminating in a World Championship.  It has been going strong for over 15 years and shows no sign of stopping.

Strategies mutate and change with every release, but the good players are able to adapt and continue to remain strong.


Tournaments: The World Championship is the culmination of many levels of feeder tournaments.  There are a large number of people in many countries that play the game on a semi-pro basis.
Official Rating system - check, The rating system has been active and supported for over a decade.
Mainstream coverage - NY Times, USA Today, GAMES magazine Hall of Fame, broadcasts on ESPN, many others.
Publications 

529 book references on Amazon for "Magic the Gathering", a lot of magazine have publishing price guides and articles for Magic over the years.  
Scrye was my favorite back in the day.
InQuest was another popular magazine.

Online or Software support

Two videogames released in 1997 (Magic: The Gathering and Magic: The Gathering: Battlemage
Magic: The Gathering Online was released in 2002 and is still played by hundreds of thousands of people