Golden Hammers & Challenges in Brawl

[BrainBoxLtd]

Onimusha12 said:
So what challenges are worth using the hammers?

I know it won't let you use one on "Beat Boss Mode on Intense"

 I'd recommend the "Beat 100 Man Brawl with every character" one. Not worth actually doing just to get a trophy of the blue alloy fighter. =P