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Challenge.gov
Here, members of the public compete to help the U.S. government solve problems big and small. Browse through challenges and submit your ideas for a chance to win.

Department of Energy - Office of Energy Efficiency & Renewable Energy

Waves to Water Prize

The Waves to Water prize is a 4-Stage competition that offers up to $2.5 million in cash prizes, with a...

Closed On: 09/11/2019 05:00 PM ET

Department of Defense

Full Ocean Depth Challenge

The Navy is seeking ideas and best practices in materials that can withstand undersea challenges.

Closed On: 09/12/2019 02:00 PM ET

Department of Energy

Solar District Cup

Challenging students to design reliable, resilient, cost-effective solutions for increased penetration of distributed solar energy on a campus or in...

Closed On: 09/12/2019 05:00 PM ET

Department of Defense

MUX Mission System Airborne Early Warning (AEW) Payload Prize Challenge

The AEW mission system payload prize challenge seeks to obtain information, performance capabilities, and technical data on mission system payload...

Open Until: 09/23/2019 11:59 PM ET

Department of Defense

MUX Mission System Data Relay (DR) Payload Prize Challenge

The Data Relay (DR) mission system payload prize challenge seeks to obtain information, performance capabilities, and technical data on mission...

Open Until: 09/23/2019 11:59 PM ET

Department of Defense

MUX Electronic Warfare (EW) Payload Prize Challenge

The Electronic Warfare (EW) payload prize challenge seeks to obtain information, performance capabilities, and technical data on mission system payload...

Open Until: 09/23/2019 11:59 PM ET

Department of Defense

MUX Mission System Intelligence, Surveillance, and Reconnaissance (ISR) Payload Prize Challenge

The Intelligence, Surveillance, and Reconnaissance (ISR) payload prize challenge seeks to obtain information, performance capabilities, and technical data on mission...

Open Until: 09/23/2019 11:59 PM ET

Department of Defense - Naval Information Warfare Systems Command

Artificial Intelligence Applications to Autonomous Cybersecurity (AI ATAC) Challenge

Advanced malware prediction and prevention utilizing state-of-the art Artificial Intelligence (AI) at the endpoint.

Open Until: 09/30/2019 05:00 PM ET

National Aeronautics and Space Administration

NASA Vascular Tissue Challenge

A first-to-demonstrate challenge to create thick, human vascularized organ tissue surviving 30 calendar days

Open Until: 09/30/2019 11:00 PM ET

Environmental Protection Agency

2019 Campus RainWorks Challenge

Stormwater runoff is a significant source of water pollution. Help highlight the positive benefits of green stormwater infrastructure.

Open Until: 09/30/2019 11:59 PM ET

Department of the Interior - Department-Wide Programs

Find the Killer Frog Fungus

Help detect two globally emerging fungi and reverse the threat of global amphibian declines and extinction

Open Until: 10/01/2019 12:00 AM ET

U.S. Agency for International Development

Resilient, Inclusive, & Sustainable Environments (RISE)

A Challenge to Address Gender-Based Violence in the Environment

Open Until: 10/08/2019 11:00 AM ET

Department of Commerce - National Institute of Standards and Technology

Expanding the SIM Card Use for Public Safety Challenge

NIST challenges solvers to store credentials on a SIM card that can be accessed by a mobile app to provide...

Open Until: 10/19/2019 12:00 AM ET

U.S. Census Bureau

The Opportunity Project Prize Challenge

Creating digital tools for the public with federal open data

Open Until: 11/01/2019 11:59 PM ET

Department of Energy - Energy Programs

Solar Decathlon 2020 Design Challenge

Love designing high-performance buildings? Ready for the experience of a lifetime? The U.S. Department of Energy Solar Decathlon® Design Challenge...

Open Until: 11/05/2019 05:00 PM ET

Department of Commerce - National Institute of Standards and Technology

Tech to Protect Challenge

Coding for Emergency Responders

Open Until: 11/15/2019 05:00 PM ET

Office of Director of National Intelligence - Intelligence Advanced Research Project Activity

Geopolitical Forecasting Challenge 2

We're on a mission to improve the accuracy and timeliness of geopolitical forecasting.

Open Until: 11/19/2019 02:01 PM ET

National Aeronautics and Space Administration

Space Robotics Challenge Phase 2

Develop software that allows a team of virtual robots to operate fully autonomously for a long-term ISRU mission.

Open Until: 12/20/2019 06:00 PM ET

Environmental Protection Agency

See a Bloom, Give it Room – Harmful Algal Bloom Video Challenge

Make a video teaching people how to spot and be safe around harmful algal blooms. Be creative, have fun, and...

Open Until: 01/03/2020 11:00 PM ET

Department of Transportation - Federal Aviation Administration

FAA Challenge - Smart Airport Student Competition

The FAA challenges undergraduate and graduate students to develop innovative ways to use smart technology in and around airports to...

Open Until: 01/13/2020 11:59 PM ET

Department of the Interior - Bureau of Reclamation

Rust Busters Challenge

Join the Resistance - Submit your rust busting breakthrough to extend the life of water infrastructure in the United States....

Open Until: 01/16/2020 08:00 PM ET

Department of Health and Human Services - Centers for Disease Control and Prevention

2020 REACH Lark Award

Recognizing advances in the science and practice of improving health equity.

Open Until: 01/28/2020 11:59 PM ET

Department of Health and Human Services - National Institutes of Health

NEI 3-D Retina Organoid Challenge 2020 Reduction to Practice (3-D ROC 2020)

Build your vision of the future.

Open Until: 03/02/2020 02:00 PM ET

Department of Energy - Energy Programs

Individuals Taking Energy Action in Manufacturing

Energy efficiency is contagious. Share your best ideas and practices for generating measurable energy savings at U.S. manufacturing facilities.

Open Until: 05/15/2020 11:59 PM ET

Department of the Interior - Bureau of Reclamation

Rodeo II - Sub-Seasonal Climate Forecasting

Closing the Gap on Sub-Seasonal Climate Forecasting.

Open Until: 10/01/2020 12:00 AM ET

National Aeronautics and Space Administration

CO2 Conversion Challenge Phase 2

Get Out of Your Element

Open Until: 11/30/2020 06:00 PM ET

Department of Defense - Defense Advanced Research Projects Agency

DARPA Subterranean (SubT) Challenge

Create breakthrough technologies and capabilities for underground operations.

Open Until: 09/30/2021 12:00 AM ET