NFL Challenge was created in 1985.
NFL Challenge happened in 1985.
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There is no madden challenge in Madden NFL 10.
If a NFL Coach wins the challenged play, he still loses one of his two challenges. If both challenges succeed, then the team is awarded a third challenge.
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An NFL coach must win both challenges in order to gain a third.
You can only challenge another part of a play. If the spot of the ball was challenged, the spot of the ball cannot be challenged again.
EuroCup Challenge was created in 2002.
Supercar Challenge was created in 2009.
Karaoke Challenge was created in 1997.