They’ll e-mail you a 10% off code for use at AA.com for playing the AA Soccer Challenge game.

Once you register you’ll receive an e-mail (check your spam folder!) with the 10% off discount code valid on travel for domestic departing flights purchased by Oct. 31, 2009 and travel complete Nov. 27, 2009 excluding travel Nov. 20-25.

I recently noted a 1000 mile signup bonus for the American AAdvantage frequent flyer program. This soccer game offer also comes with a 1,000 mile enrollment bonus if you aren’t already a member of their program.