==CODES==

-Play as Last Boss-
At the Vs Mode character select screen, enter the code
+------------------+-------------+
| Effect           | Code        |
+------------------+-------------+
| Zeno is unlocked | L R X L R A |
+------------------+-------------+

-Speed select-
At the main menu, press the Select button. You can now select the speed you want to play the game. 
Press left and right to select a speed and press start to choose a speed.