Players take control of powerful, heavily armed robots known as Rounders in Senko no Ronde 2, a game that is a novel combination of fighting games and bullet hell shooters. Fights take place in futuristic arenas.
The story takes place in a distant future, after a catastrophic event known as the Great Disaster has rendered Earth uninhabitable and humans have relocated to colonies orbiting Mars and the Moon. An epic science fiction story about political intrigue unfolds eight years after a terrorist attack causes significant shifts in the power balance. During this time, various factions of the ruling confederation come into conflict with one another.