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User Guide

This guide provides step-by-step instructions for site visitor and public solver use of Challenge.Gov. Navigate through the right side menu to select an area to learn more.

Unfollow Challenges

Unfollow a challenge and unsubscribe from challenge-related email updates.

  1. From the bottom of any Challenge.Gov bulletin email, click Subscriber Preferences Page. Click here too access this page directly

  2. Enter your email address used to subscribe then click Check to Delete box next to challenge you no longer wish to follow and click Submit.

  3. Check the box next to “I consent to the privacy policy”. You will receive an email from GSA, Technology Transformation Services ( with the subject “Subscription Change Confirmation”.