I'm in and I'm currently accepting challenges.

I'll be in, too.

I'm in and accepting the challenge.

I'm in for the challenge

I'm in for the callenge, anytime in the next 2 hours

edit: 2 hours are over by a long time, not accepting challenges anymore

I can only cum once though (because of an edging challenge I'm doing)

I'm in again, nobody has guess right so far

i accept the challenge

I guess I'm in. I'll accept challenges, just PM me.

I'm in for the challenge anyone could challenge I don't care
Kik me at deguzzz and say your from GD

I am in for this challange

re-entering, accepting challengers in the next 2 hours

I'm up for it
 

I'll take this challenge

I am up for this challenge

i'm taking challenges...

I'm UP for the challenge