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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 Services

Closed On: 07/24/2010 03:00 AM

Simple Microgravity Laundry System

National Aeronautics and Space Administration

Closed On: 07/28/2010 03:00 AM

Augmenting the Exercise Experience with Audio-Visual Inputs

National Aeronautics and Space Administration

Closed On: 07/28/2010 03:59 AM

Medical Consumables Tracking

National Aeronautics and Space Administration

Closed On: 07/28/2010 03:59 AM

Apps for Healthy Kids

Department of Agriculture

Closed On: 08/15/2010 07:00 AM

"How Has Social Security Made a Difference in Your Life" Video Contest

Social Security Administration

Closed 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 Administration

Closed On: 08/31/2010 11:00 PM

Apps 4 Africa

International Assistance Programs - Department of State - Other

Closed On: 09/01/2010 03:00 AM

Progressive Automotive X Prize

Department of Energy - Energy Programs

Closed On: 09/01/2010 11:59 PM

G-20 SME Finance Challenge

Department of the Treasury

Closed On: 09/05/2010 11:59 PM

National Historic Landmark Photo Contest

Department of the Interior - National Park Service

Closed On: 09/11/2010 03:59 AM

Two-Second Turnoff Distracted Driving Video Challenge

Department of Transportation

Closed On: 09/11/2010 03:59 AM

LAUNCH: Health

International Assistance Programs - Agency for International Development

Closed On: 09/14/2010 03:00 AM

Game Day Challenge 2010

Environmental Protection Agency

Closed On: 10/07/2010 11:59 PM

Help Fight Environmental Crime Art Contest

Environmental Protection Agency

Closed 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 Services

Closed On: 10/16/2010 03:59 AM

National Radon Poster Contest

Environmental Protection Agency

Closed On: 11/01/2010 03:00 AM

NASA's Space Rock

National Aeronautics and Space Administration

Closed On: 11/01/2010 11:00 PM

Kids.gov How Do I Become President? Challenge

General Services Administration

Closed On: 11/09/2010 04:59 AM

Chief of Naval Research Challenge

Department of Defense

Closed On: 11/11/2010 04:00 AM

National Geothermal Student Competition

Department of Energy - Energy Programs

Closed On: 11/13/2010 04:59 AM

International Youth Art Competition

National Aeronautics and Space Administration

Closed On: 12/04/2010 04:59 AM

Digital Manufacturing Analysis, Correlation and Estimation (DMACE) Challenge

Department of Defense

Closed On: 12/07/2010 04:00 AM

Postcards from Home - Show Us Where You're From

International Assistance Programs - Department of State - Other

Closed On: 12/18/2010 04:00 AM

The NDU Press Holiday Scavenger Hunt

Department of Defense

Closed On: 12/22/2010 11:59 PM

Recipes for Healthy Kids

Department of Agriculture

Closed On: 12/30/2010 05:00 PM