Archived Challenges
Archived challenges are no longer accepting submissions and are included for historical purposes only.
We Can! Video Contest
Department of Health and Human ServicesClosed On: 07/24/2010 03:00 AM
Simple Microgravity Laundry System
National Aeronautics and Space AdministrationClosed On: 07/28/2010 03:00 AM
Augmenting the Exercise Experience with Audio-Visual Inputs
National Aeronautics and Space AdministrationClosed On: 07/28/2010 03:59 AM
Medical Consumables Tracking
National Aeronautics and Space AdministrationClosed On: 07/28/2010 03:59 AM
Apps for Healthy Kids
Department of AgricultureClosed On: 08/15/2010 07:00 AM
"How Has Social Security Made a Difference in Your Life" Video Contest
Social Security AdministrationClosed On: 08/28/2010 03:00 AM
What a Difference a Friend Makes Contest
Department of Health and Human Services - Substance Abuse and Mental Health Services AdministrationClosed On: 08/31/2010 11:00 PM
Apps 4 Africa
International Assistance Programs - Department of State - OtherClosed On: 09/01/2010 03:00 AM
Progressive Automotive X Prize
Department of Energy - Energy ProgramsClosed On: 09/01/2010 11:59 PM
G-20 SME Finance Challenge
Department of the TreasuryClosed On: 09/05/2010 11:59 PM
National Historic Landmark Photo Contest
Department of the Interior - National Park ServiceClosed On: 09/11/2010 03:59 AM
Two-Second Turnoff Distracted Driving Video Challenge
Department of TransportationClosed On: 09/11/2010 03:59 AM
LAUNCH: Health
International Assistance Programs - Agency for International DevelopmentClosed On: 09/14/2010 03:00 AM
Game Day Challenge 2010
Environmental Protection AgencyClosed On: 10/07/2010 11:59 PM
Help Fight Environmental Crime Art Contest
Environmental Protection AgencyClosed On: 10/09/2010 03:00 AM
The MusiCares and GRAMMY Foundation's Teen Substance Abuse Awareness through Music Contest
Department of Health and Human ServicesClosed On: 10/16/2010 03:59 AM
National Radon Poster Contest
Environmental Protection AgencyClosed On: 11/01/2010 03:00 AM
NASA's Space Rock
National Aeronautics and Space AdministrationClosed On: 11/01/2010 11:00 PM
Kids.gov How Do I Become President? Challenge
General Services AdministrationClosed On: 11/09/2010 04:59 AM
Chief of Naval Research Challenge
Department of DefenseClosed On: 11/11/2010 04:00 AM
National Geothermal Student Competition
Department of Energy - Energy ProgramsClosed On: 11/13/2010 04:59 AM
International Youth Art Competition
National Aeronautics and Space AdministrationClosed On: 12/04/2010 04:59 AM
Digital Manufacturing Analysis, Correlation and Estimation (DMACE) Challenge
Department of DefenseClosed On: 12/07/2010 04:00 AM
Postcards from Home - Show Us Where You're From
International Assistance Programs - Department of State - OtherClosed On: 12/18/2010 04:00 AM
The NDU Press Holiday Scavenger Hunt
Department of DefenseClosed On: 12/22/2010 11:59 PM
Recipes for Healthy Kids
Department of AgricultureClosed On: 12/30/2010 05:00 PM