Sega

Sega Holdings Co., Ltd. (セガホールディングス) is a Japanese multinational video game company founded in 1940. Sega developed and published numerous video games, including Sonic the Hedgehog, its flagship series.

It is through Sega that Archie Comics has its license to publish the Sonic the Hedgehog, Sonic Universe, and Sonic Boom comic lines. As such, Sega has cooperated with Capcom and Archie in the development of the Worlds Collide and Worlds Unite crossovers between the Sonic and Mega Man comics, and the second crossover also features a number of other Sega properties.

Sega also cooperated with Capcom and other companies with the games Project ✕ Zone, Project ✕ Zone 2, and Super Smash Bros. for Nintendo 3DS / Wii U.

Additionally, Sega developed both Mega Man: The Wily Wars for the Sega Genesis and Mega Man for the Game Gear.

Franchises
Note that this section only lists franchises that appeared in the Worlds Unite crossover.
 * Alex Kidd
 * Billy Hatcher
 * Golden Axe
 * NiGHTS
 * Panzer Dragoon
 * Skies of Arcadia
 * Sonic the Hedgehog