Games like Slap Happy Rhythm Busters

If you finished Slap Happy Rhythm Busters, the closest matches are Little Busters!, Samurai Shodown, The King of Fighters '99: Millennium Battle, Blue Breaker Burst: Bishou o Anata to and Blue Breaker Burst: Egao no Asu ni. All 7 share its fighting genre and are ranked by how closely their themes and modes overlap.