What video game, developed by Sega Sports R&D, was the first to feature characters from both the Mario and Sonic the Hedgehog video game franchises?
Mario & Sonic at the Olympic Games
Sonic the Hedgehog 2
Sonic the Hedgehog 2
Sonic the Hedgehog
Sonic the Hedgehog 2
Sonic the Hedgehog 3
Sonic the Hedgehog
Sonic the Hedgehog 2
Sonic the Hedgehog 3
Sonic the Hedgehog
Sonic the Hedgehog 2
Sonic the Hedgehog 64
Sonic the Hedgehog
Sonic the Hedgehog 3
Sonic the Hedgehog Adventure
Sonic the Hedgehog!
Sonic the Hedgehog 2
Sonic the Hedgehog 2000
Super Mario Bros.
Sonic the Hedgehog 64
Sonic the Hedgehog
Sonic the Hedgehog 3
Sonic the Hedgehog Adventure
Sonic the Hedgehog!
Sonic the Hedgehog 2
Sonic the Hedgehog 2000
Super Mario Bros.
Sonic the Hedgehog 64
Sonic the Hedgehog
Sonic the Hedgehog 3
Sonic the Hedgehog Adventure
Sonic the Hedgehog!
Sonic the Hedgehog 2000
Super Mario Bros.
Sonic the Hedgehog 64
Sonic the Hedgehog 2
Sonic the Hedgehog
Sonic the Hedgehog 3
Sonic Adventure
Sonic the Hedgehog Adventure
Sonic the Hedgehog!
Sonic the Hedgehog 2000
Super Mario Bros.
Super Mario RPG
Sonic the Hedgehog 64
Sonic the Hedgehog 2
Sonic Adventure
Sonic the Hedgehog 3
Sonic the Hedgehog Adventure
Sonic the Hedgehog!
Sonic the Hedgehog 2000
Super Mario RPG
Super Mario Bros.
Sonic the Hedgehog
Mario Kart
Sonic the Hedgehog 64
Sonic Adventure
Super Mario World
Sonic the Hedgehog Adventure
Sonic the Hedgehog!
Sonic the Hedgehog 2
Super Mario RPG
Sonic the Hedgehog 2000
Super Mario Bros.
Sonic the Hedgehog
Sonic Adventure
Mario Kart
Sonic the Hedgehog 3
Super Mario World
Sonic the Hedgehog 64
Sonic Adventure
Sonic the Hedgehog Adventure
Super Mario RPG
Donkey Kong Country Returns
Mario Kart
Sonic the Hedgehog 2
Super Mario Bros.
Super Mario World
Sonic the Hedgehog 4
Sonic the Hedgehog 3
Mario Kart 8
Sonic the Hedgehog
Sonic Adventure
Sonic the Hedgehog 64
Super Mario Bros
Mario Kart
Super Mario RPG
Donkey Kong Country Returns
Donkey Kong Country
Super Mario World
Super Mario Bros.
Mario Kart 7
Sonic the Hedgehog!
Sonic the Hedgehog 2000
Sonic Adventure
Sonic the Hedgehog 2
Sonic the Hedgehog
Sonic the Hedgehog 3
Mario Kart
Super Mario Bros
Sonic the Hedgehog 64
WarioWare
Super Mario RPG
Super Mario World
Donkey Kong Country
Donkey Kong Country Returns
Super Mario Bros.
Mario Kart 8
Mario Kart 7
Sonic Adventure
Sonic the Hedgehog Adventure
Sonic the Hedgehog 2
Donkey Kong
Mario Kart
Sonic the Hedgehog 3
Super Mario Bros
Sonic's Revenge
WarioWare
Super Mario RPG
Super Mario World
Donkey Kong Country
Donkey Kong Country Returns
Super Mario Bros.
Sonic Adventure
Mario Kart 8
Mario Kart 7
Sonic's Adventure
Sonic the Hedgehog
Sonic the Hedgehog 64
Donkey Kong
Mario Kart
Sonic the Hedgehog 2
Sonic 2
Madden NFL '94
Sonic the Hedgehog!
Super Mario Bros
Super Mario World
WarioWare
Sonic 3D Blast
Super Mario RPG
Madden NFL '96
Sonic Adventure
Donkey Kong Country
Sonic the Hedgehog 4
Madden NFL '98
Super Mario Bros.
Donkey Kong Country Returns
Mario Kart 8
Madden NFL '95
Sonic and the Hedgehog
Sonic the Hedgehog
Sonic the Hedgehog 3
Donkey Kong
Sonic the Hedgehog 64
Sonic 2
Madden NFL '97
Mario Kart
Super Mario 64
Super Mario World
Super Mario Bros
Sonic Adventure
Madden NFL '94
Super Mario RPG
Madden NFL '99
Mario Kart 7
Mario Kart 64
Sonic's Adventure
Donkey Kong Country
Madden NFL '96
Madden NFL '98
Super Mario Bros.
Sonic the Hedgehog 2
Sonic 3D Blast
Madden NFL '95
Sonic 3D Land
Sonic 2
Sonic the Hedgehog
Donkey Kong
Pac-Man
Sonic the Hedgehog 3
Mario Kart
Sonic Adventure
Madden NFL '97
Super Mario World
Super Mario Bros
Super Mario RPG
Mario Kart 8
Madden NFL '94
Madden NFL '99
Sonic's Adventure
Donkey Kong Country
WarioWare 3
Madden NFL '96
Super Mario Bros.
Madden NFL '98
Sonic 2
Super Mario 64
Donkey Kong Country Returns
WarioWare 2
Sonic the Hedgehog 2
Donkey Kong