Guilty Gear XX Accent Core cheats and cheat codes for Nintendo Wii

Unlock EX Ending art:
Finish Arcade mode once to unlock an EX character to unlock 
the corresponding artwork.

Fight against Boss Order Sol:
Finish the Arcade mode without losing any rounds to fight against 
Boss Order Sol.

Guilty Gear Generations character versions:
Accumulate 48 hours of game play. 
Note: Go to the Training mode and left the game idle. This way you 
can accumulate 48 hours easily.

Unlocking all EX character versions:
Accumulate 48 hours of game play. An EX character will be unlocked every 
hour after 48 hours of accumulated game play time, starting with Potemkin 
in the same order as Survival mode.

Fight as Shadow characters:
After accumulated 48 hours of total game play time, go to the fighter 
selection screen then change the color mode to Reload and select Dust 
for your character to fight as Shadow characters. 
Note: You can perform this with EX characters also. 

Fight as Gold characters:
After accumulated 48 hours of total game play time, go to the fighter 
selection screen then change the color mode to Slash and select Dust for 
your character to fight as Gold characters. 
Note: You can perform this with EX characters also. 

Unlock GGXX Slash and #Reload stages:
First you must unlock all EX characters. The GGXX Slash stages will 
gradually become unlocked over time after 48 hours. After a stage has 
become unlocked, you can also access the #Reload version of it. 
Hold Respect while choosing the stage and music.