Complex sentence: An additional robot, G-Breaker from Bandai's Sunrise Eiyuutan, was also included, making this the first game in the SRW franchise to feature a mecha from a non-SRW video game.
Split into simpler sentences: An additional robot, G-Breaker from Bandai's Sunrise Eiyuutan, was also included. This makes this game the first game in the SRW franchise to feature a mecha from a non-SRW video game.