The following game in the Senran Kagura series is titled Senran Kagura 2: Deep Crimson. It is significantly bigger and looks a lot better than the original, and it now features co-op, in which several new attacks focus on it. In addition, it has a much better appearance.
Cheat Codes here:
[CPU Player Quick Level 50]
D9000000 08344FBC
D6000000 08344FB8
D2000000 00000000
[CPU Player Infinite Ninja Arts]
D9000000 08344F58
D6000000 08344F54
D2000000 00000000
[CPU Player Infinite Health]
D9000000 08344F4C
D6000000 08344F44
D6000000 08344F44
D2000000 00000000
[Player Quick Level 50]
D9000000 0834386C
D6000000 08343868
D2000000 00000000
[Player Infinite Ninja Arts]
D9000000 08343808
D6000000 08343804
D2000000 00000000
[Player Infinite Health]
D9000000 083437FC
D6000000 083437F4
D6000000 083437F4
D2000000 00000000