key-D=down U=UP L=left R=right ()=circle []=square <>=triangle X=well X ermac=l,d,l,d,() goro=l,l,r,r,x or r,l,r,l,[] frost=r,l,u,d,[] heres a funny one bo rai cho=u,u,l,r,x i have other secret...
What I would do is random attacks.^ WOW GREAT ANSWER DUDE!!! YOUR FRICKEN DUMB!!!
you need to go to GameFAQs and type in mortal kombat unchained fatalitys
to set a trap, click on a space on your half of the field (thats not a power space). it's that easy :)
in the player select screen press R a small screen should pop up and say SELECT ARENA