Join Solo Hackathons 2025

Build your own project from scratch in solo hackathons—perfect for makers, designers, and indie hackers.
Explore Solo hackathons online and in-person
ONLINE HackAmerica

April 11, 2026 - April 18, 2026

Ended

About the challenge Next spring, HackAmerica is encouraging high school students nationwide to participate in one of the largest student-led hackathons in the United States. …

IN-PERSON Sierra Hacks

Nov. 15, 2025

Ended

About the challenge Sierra Hacks is a 12 hour Hackathon open to any High Schoolers from the Bay Area to Central Valley. Over the course …

Read more
beginner · mobile · web · Manteca, California, United States
ONLINE Grand Tech Assembly: Maximally

Nov. 1, 2025 - Nov. 7, 2025

Ended

Grand Tech Assembly (GTA) is a 7-day global online Game Jam where chaos meets creativity. Styled after the nostalgia and sandbox freedom of Grand Theft …

ONLINE Maximally PromptStorm

Oct. 24, 2025 - Oct. 25, 2025

Ended

A 24-hour AI prompt-engineering hackathon where speed, creativity, and chaos collide. Your job: write the most creative prompts, bend AI tools to your will, and …

ONLINE Maximally Steal-A-Thon

Oct. 24, 2025 - Oct. 25, 2025

Ended

MAXIMALLY STEAL-A-THON is the anti-hackathon where originality is illegal and creativity is criminal. For 24 chaotic hours, your mission is simple: pick a project, steal …

ONLINE CODEPOCALYPSE

Oct. 17, 2025 - Oct. 19, 2025

Ended

Codepocalypse is a chaotic weekend where you throw sanity out the window and just build.Cursed prototypes, broken logic, internet-core chaos — this is where it …

ONLINE PROTOCOL 404: A 48-Hour Hackathon for System-Breakers

Oct. 3, 2025 - Oct. 6, 2025

Ended

Protocol 404 is a 48-hour hackathon where the system is already broken — and your job is to make something in the wreckage. No tracks. …

IN-PERSON Cosmos Labs Offsite 2025

Oct. 1, 2025 - Oct. 2, 2025

Ended

About the Challenge The Cosmos Labs Offsite 2025 Hackathon is an internal event focused on advancing AI tooling and exploring innovative solutions. It empowers participants …

ONLINE Hobby2Hustle Hackathon

Oct. 1, 2025 - Oct. 6, 2025

Ended

Take one of your hobbies and transform it into a business idea. It can be a product, service, or platform. Think not just about what …

ONLINE Maximally Hacktober: A Month-Long Hackathon for the Builders Who Won’t Quit

Sept. 30, 2025 - Oct. 31, 2025

Ended

Most hackathons want you to sprint.Hacktober wants you to last. This isn’t 24 hours of caffeine and panic.It’s 31 days of stubborn building, soft deadlines, …

Get ahead in innovation - receive all the latest hackathons directly in your inbox.

Subscribe