Arcade Challenge Question

this is a dumb newbie question but, Is it possible to channlenge another dcemu member in a game like Helicopter? How would i do this?

i think click on their name and do challenge, but watch out, i'm the new chopper champ :D

cograts on getting the highscore. Im going for the high score on the other chopper game Helicopter. Im already number three and every day i get better until
I become FIRST!