Welcome to Mario Answers. What would you like to know?

There are countless number of games.

There's Mario Bros., Pinball, Golf, Wrecking Crew, Super Mario Bros. 2, Dr. Mario, NES Open Tournament Golf, Family Computer Golf: Japan Course, Family Computer Golf: U.S. Course, Famicon Grand Prix: F-1 Race, Famicon Grand Prix II: 3D Hot Rally, Kaette Kita Mario Bros., Mario Paint, Mario & Wario, Undake30 Same Game, Mario's Super Picross, BS Super Mario USA, Excitebike: Bun Bun Mario Battle Stadium, Mario no Photopi, Super Smash Bros., Dr. Mario 64, Mario Artist: Paint Studio, Mario Artist: Talent Studio, Mario Artist: Communication Kit, Mario Artist: Polygon Studio, Luigi's Mansion, NBA Street V3, SSX on Tour, Dr. Mario Online Rx, Super Mario Land, Super Mario Land 2: 6 Golden Coins, Picross 2, Game & Watch Gallery 3, Mobile Golf, Mario Family, Super Mario Advance, Mario vs. Donkey Kong, Game & Watch Collection, Mario vs. Donkey Kong 2: March of the Minis, Game & Watch Collection 2,  Mario vs. Donkey Kong: Mini-Land Mayhem, Dr. Mario Express, Mario Calculator, Mario Clock, Mario's Cement Factory, Manhole (Game & Watch), Helmet (Game & Watch), Chef (Game & Watch), Vermin (Game & Watch), Luigi's Mansion: Dark Moon, Mario and Donkey Kong: Minis on the Move, and Donkey Kong. 

Luigi's Mansion does have a Bowser appearance, in a sense...You fight a giant fake version of him as part of the battle with King Boo. Technically not the real Bowser, but still... TheGiftSig 03:22, November 16, 2013 (UTC)