The links on most of the names are to the game's feature on this page or it's cameo page description.
If you find any errors or missed games on the list, please tell me at kyleorl@wam.umd.edu
Games are grouped by system. If a game is on more than one system, it is listed in both sections.
Primary games are unmarked and are the ones that fit the regular Mario formula (i.e. Donkey Kong's/Super Mario Bros./World/Land)
Secondary games are marked with a (2nd) and let you control Mario, but don't fit the regular fomula. They are one step away from cameos (i.e. Super Mario Kart/Wrecking crew)
Cameo appearance are marked with a (cam). In these games, anyone could replace Mario with minimal difference in gamaplay (i.e. Tetris)
Other Mario characters games are marked with a (char) and have a character from the Mario universe, but don't star Mario (i.e. Donkey Kong 3, Yoshi's Safari)
Current game count:109
Primary:16+2*
Secondary (2nd):27
Cameos (cam):41+1*
Character appearances (char):22
*-DK Classics and SM All-stars are primary, but rehashes. Same with Dr Mario & Tetris
Note: Not all of these games are gauranteed to come out. Many of them were mentioned only briefly and haven't been heard about in a long while. Much of the time, info. is scarce. Any release dates given are official