The Best part of Version 2 is the "Challenge" system MISSIONS:- ROUND 11 TO 15: SP MISSION
- PALFX: GOLD - ENEMY
The enemy will have the double of attack points on all the attacks except proyectiles, helpers, grabs and SGS moves.
- ROUND 16 TO 20: SD MISSION
- PALFX: BLUE - YOU
You will have half of your normal attack points on all the attacks except proyectiles, helpers, grabs and SGS moves.
- ROUND 21 TO 25: OFFENSIVE MISSION
- PALFX: RED - ENEMY
You won't be able to block any attack. You also can't use Just Defense here.
- ROUND 26 TO 30: CLASSIC MISSION
- PALFX: PURPLE - YOU
You won't be able to use any Super Special moves except on K Groove.
- ROUND 31 TO 35: HEALING MISSION:
- PALFX: LIGHT GREEN - ENEMY
- ANNOUNCER: MAKE UP MIND
The enemy will regaing some points of his life back each tick.
- ROUND 36 TO 40: BLIND MISSION
- PALFX: GREY - YOU
The screen will fade in and out during the battle to confuse you.
- ROUND 41 TO 45: ZERO MISSION
- PALFX: ORANGE - ENEMY
You will gradually lose your power and the enemy will absorb it (no groove loosing or gaining on K Groove).
- ROUND 46 TO 50: QUAKE MISSION
- PALFX: WHITE - ENEMY
The screen will shake a lot to confuse you during the battle.
- ROUND 51 TO 55: TIME ATTACK MISSION
- PALFX: LIGHT BLUE - YOU
- MUSIC: HURRY UP 1
You will have nearly 40 seconds to beat the enemy or else you will die (you can temporally avoid death by making a special move but after this overs you will die if you didn't beat the enemy with it). This mission includes a time bar to show how much time you have yet.
- ROUND 56 TO 60: ISUKA MISSION
- PALFX: YELLOW AND VIOLET - YOU
- ANNOUNCER: ARE YOU READY?
Here you won't be able to jump and your character won't be able to turn by itself, to do ut you must make any action first.
- ROUND 61 TO 65: POISON MISSION
- PALFX: GREEN - YOU
- MUSIC: HURRY UP 2
- LIFE BONUS: EACH ROUND
Here you will gradually loose your life (but you won't by by life draining).
- ROUND 66 TO 70: SHADOW MISSION
- PALFX: BLACK - ENEMY
- ANNOUNCER: DARKSIDE
The enemy will have infinite power (no effect on K Groove).
- ROUND 71 TO 75: OVERDRIVE MISSION
- PALFX: MULTYCOLOUR - BOTH
- LIFE BONUS: EACH ROUND
Both characters will have infinite power, double of attack power and will gradually loose their life (no groove effects on K Groove),
- ROUND 76 TO 80: DEATH MISSION
- PALFX: DARK RED - BOTH
The first one to hit wins (attack must not be a proyectile, helper, grab or SGS move).
- ROUND 81 TO 85: ULTIMATE MISSION
- PALFX: RED AND BLUE - ENEMY
the enemy will have double of attack points, you will have half of attack points and the enemy will have infinite power (no groove effects on K groove and for the attack modifier points to be active attack must not be a proyectile, helper, grab or SGS move).
After round 85 the challenge mode ends and you will keep battling on ULTIMATE MISSION (just to see how much you survive

).