Which company developed this American football video game series  whose engine was used for Mutant League Football?
Mutant League Football Mutant League Football is a video game that was released in 1993 for the Sega Genesis. The game was designed using the "Madden '93" engine, and features a different take on football, where the games resemble a war as much as a sporting competition.
Fire Pro Wrestling Fire Pro Wrestling (ファイヤープロレスリング ) is a long-running professional wrestling video game series originating from Japan, starting in 1989 by Human Entertainment, and currently developed and owned by Spike Chunsoft. The series is distinguished by its grappling system, which is primarily based on timed button presses and strategy. Another signature feature of the series is its Edit mode, a character creation feature with many options to customize appearances, wrestling moves and character A.I. behavior.